CN103402151A - Portable microphone with electric power supplied by voice vibration - Google Patents
Portable microphone with electric power supplied by voice vibration Download PDFInfo
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- CN103402151A CN103402151A CN201310359797XA CN201310359797A CN103402151A CN 103402151 A CN103402151 A CN 103402151A CN 201310359797X A CN201310359797X A CN 201310359797XA CN 201310359797 A CN201310359797 A CN 201310359797A CN 103402151 A CN103402151 A CN 103402151A
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Abstract
The invention discloses a portable microphone with electric power supplied by voice vibration. The portable microphone comprises a casing, an audio cavity arranged on the casing, a microphone module arranged on the outer side of the audio cavity and manufactured on the basis of a mini-type electromechanical system technology and a power module supplying power for the microphone module, wherein the power module comprises a moving-coil sound transmission power generation device for converting voice into induced current, a rectifying filtering circuit for converting the induced current input by the moving-coil sound transmission power generation device into direct current, and a power storage module for storing the direct current input by the rectifying filtering circuit and allowing the microphone module to use the direct current; the moving-coil sound transmission power generation device is arranged inside the audio cavity. Compared with the prior art, the portable microphone with electric power supplied by voice vibration, provided by the invention, has the advantages of light weight, low power consumption and portability, and dry batteries, button batteries and other batteries are unnecessary.
Description
Technical field
The present invention relates to a kind of portable microphone, relate in particular to the portable microphone that a kind of acoustical vibration provides electric power.
Background technology
Wireless microphone is to be comprised of some pocket transmitters (can be contained in pocket, power output is about 0.01W) and a concentrated receiver, and it is applicable to the various occasions such as stage, dais.At present, the wireless microphone that is connected with multimedia is very heavy, will become heavier after loading onto battery.When the lecturer gives lessons, normally with a hand, catch microphone, the another hand be used for doing image gesture, on blackboard, write, the action such as operating mouse.The speech time, when longer, it is very tired that the lecturer will become.In case the lecturer falls microphone on the ground because of carelessness, microphone will be broken.In addition, common wireless microphone power consumption is larger, and the time that a secondary new battery can use was less than one day.
In view of the above problems, be necessary to provide a kind of portable microphone, to address the above problem.
Summary of the invention
For the deficiencies in the prior art, the technical problem that the present invention solves is to provide the portable microphone that a kind of acoustical vibration provides electric power, this acoustical vibration provides the portable microphone of electric power to have the advantages such as lightweight, low in energy consumption, portable, and without using the batteries such as dry cell, button cell.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
a kind of acoustical vibration provides the portable microphone of electric power, comprise housing, be arranged on the sound chamber on described housing, be arranged on the microphone module of making based on the Micro Electro Mechanical System technology in the described sound chamber outside and be the power module of described microphone module power supply, described power module comprises sound is converted into to the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of faradic moving-coil type, the induced current of the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) input of moving-coil type is converted into to galvanic current rectifying and wave filtering circuit and the direct current of current rectifying and wave filtering circuit input is stored to the electricity storage module of using for described microphone module, the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of described moving-coil type is arranged in described sound chamber.
Further, the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of described moving-coil type comprises pedestal, coil, protecgulum, magnet, spring, vibration line and vibrating membrane; Described coil one end is fixed on protecgulum and together with protecgulum, is set on described pedestal; Described spring one end is fixed on housing, and the other end is fixed on described protecgulum; Described vibration line links together described vibrating membrane and described protecgulum; Described magnet is the magnet that pair of magnetic is opposite, is oppositely arranged on described pedestal, and described coil is enclosed in wherein.
Further, the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of described moving-coil type is the involving vibrations membrane support also, and described vibrating membrane is arranged in described vibrating membrane support.
Further, described vibrating membrane is the bionic thin film of imitative ear eardrum.
Further, described current rectifying and wave filtering circuit is the single-phase bridge rectification filter circuit.
Further, described microphone module comprises micro-capacitance sensor of making based on the Micro Electro Mechanical System technology, the micro-integrated converting circuit that is connected with described micro-capacitance sensor and the anti-noise circuit that is connected with described micro-integrated converting circuit.
Further, described portable microphone also is provided with the clock module that is connected with described power module and the vibrating device that is connected with described clock module.
Further, described hull outside is provided with clip.
The invention has the beneficial effects as follows: compared to prior art, acoustical vibration of the present invention provides the portable microphone of electric power to have the advantages such as lightweight, low in energy consumption, portable, without using the batteries such as dry cell, button cell.
The accompanying drawing explanation
Fig. 1 provides the portable microphone structural representation of electric power for acoustical vibration of the present invention.
Fig. 2 is the structural representation of microphone module.
Fig. 3 is the structural representation of power module.
Fig. 4 is the schematic perspective view of the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of moving-coil type.
Fig. 5 is the decomposing schematic representation of the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of moving-coil type.
Fig. 6 is the structural representation of current rectifying and wave filtering circuit.
In figure: 100. acoustical vibrations provide the portable microphone of electric power, 10. housing, 20. sound chambeies, 30. microphone module, 31. micro-capacitance sensors, 32. micro-integrated converting circuits, 33. anti-noise circuit, 40. power modules, the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of 41. moving-coil type, 411. pedestal, 412. coils, 413. protecgulums, 414. magnet, 4141. the first magnet, 4142. second magnet, 415. springs, 416. vibration line, 417. vibrating membrane, 418. vibrating membrane supports, 42. current rectifying and wave filtering circuits, 43. electricity storage module, 50. clock module, 60. vibrating devices, 70. clips.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with the drawings and specific embodiments, describe the present invention.
refer to shown in Figure 1, acoustical vibration of the present invention provides the portable microphone 100 of electric power lightweight, low in energy consumption, be easy to carry about with one, without using dry cell, the batteries such as button cell, it comprises housing 10, be arranged on the sound chamber 20 on described housing 10, be arranged on the microphone module 30 in 20 outsides, described sound chamber, power module 40, the clock module 50 that is connected with described power module 40, the vibrating device 60 that is connected with described clock module 50 and the clip 70 that is arranged on described housing 10 outsides, described power module 40 is described microphone module 30, clock module 50 and vibrating device 60 power supplies.
Refer to shown in Figure 1ly, described housing 10 is used for holding described clock module 50 and vibrating device 60.Described sound chamber 20 is used for collecting sound, on it, is provided with some penetrable sound holes (not shown).Refer to shown in Figure 2, described microphone module 30 is based on the Micro Electro Mechanical System technology and makes, and comprises micro-capacitance sensor 31 of making based on the Micro Electro Mechanical System technology, the micro-integrated converting circuit 32 that is connected with described micro-capacitance sensor 31 and the anti-noise circuit 33 that is connected with described micro-integrated converting circuit 32.Described micro-capacitance sensor 31 is used for converting the voice signal that receives to the signal of telecommunication, and is transferred to described micro-integrated converting circuit 32.Described micro-integrated converting circuit 32 converts the described signal of telecommunication to the audio signal of low-resistance, and is transferred to described anti-noise circuit 33.After 33 pairs of described audio signal filtering of described anti-noise circuit, export.
Refer to shown in Figure 3, described power module 40 is a kind of sound Blast Furnace Top Gas Recovery Turbine Unit (TRT), comprises sound is converted into to the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) 41 of faradic moving-coil type, the induced current of transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) 41 inputs of moving-coil type is converted into to galvanic current rectifying and wave filtering circuit 42, the direct current of current rectifying and wave filtering circuit 42 inputs is stored to the electricity storage module 43 of using for described microphone module 30, clock module 50 and vibrating device 60.Refer to Fig. 4 and shown in Figure 5, the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) 41 of described moving-coil type is arranged in described sound chamber 20, comprise pedestal 411, coil 412, protecgulum 413, magnet 414, spring 415, vibration line 416, vibrating membrane 417 and vibrating membrane support 418, described coil 412 1 ends are fixed on protecgulum 413 and together with described protecgulum 413 and are set on described pedestal 411, described spring 415 1 ends are fixed on housing 10, and the other end is fixed on described protecgulum 413; Described vibration line 416 links together described vibrating membrane 417 with described protecgulum 413; Described magnet 414 comprises the first magnet 4141 and the second magnet 4142, and the magnetic of described the first magnet 4141 and the second magnet 4142 is opposite, and it is oppositely arranged on described pedestal 411, and described coil 412 is enclosed in the magnetic field of its generation.Magnet 414 is at the magnetic line of force of interior formation one closure of pedestal 411.In the time of coil 412 motion, coil 412 cutting magnetic lines, produce induced current.Described vibrating membrane 417 is arranged in described vibrating membrane support 418, is the bionic thin film of imitative ear eardrum, and it,, when accepting extraneous sound, very easily causes resonance with sound.The effect that 418 pairs of described vibrating membranes 417 of described vibrating membrane support play protection and support.Under normal condition, described spring 415 in the raw, when protecgulum 413 displacements change, described spring 415 pedestal 411 axially on compression and discharging.When sound, by penetrable sound hole, enter in described sound chamber 20, reflection through sound chamber 20, thereby more transmission sound is arranged to vibrating membrane 417, described vibrating membrane 417 forced vibrations, carry out in the vertical the contraction of different amplitudes, according to the amplitude of vibration, pull vibration line 416, thereby affect protecgulum 413 motions.This moment, coil 412 also will be along with protecgulum 413 moves reciprocatingly in described pedestal 411, and septum magnet 414 is at the magnetic line of force of the closure of described pedestal 411 interior formation, thereby produce induced current in coil 412.Refer to shown in Figure 6, described current rectifying and wave filtering circuit 42 is the single-phase bridge rectification filter circuit, comprise transformer E, bridge rectifier filter D, electric capacity of voltage regulation C and resistance R, described transformer E is connected with the input of described bridge rectifier filter D, the output of described bridge rectifier filter D is connected with described electric capacity of voltage regulation C, and described electric capacity of voltage regulation C is in parallel with described resistance R.The electric current that described coil 412 reciprocating motion cutting magnetic induction lines produce is alternating current, can not, for described microphone module 30, clock module 50 and vibrating device 60, need to be translated into direct current.Described bridge rectifier filter D comprises four diodes, and it has the effect of one-way conduction to electric current, the alternating current of generation can be converted into to direct current.Electric capacity of voltage regulation C, after charging and discharging, reduces the impulse wave composition of output voltage, improves filter effect, produces comparatively stable output voltage.Output voltage is stored in described electricity storage module 43, in order to use while needing.
Refer to shown in Figure 1ly, described clock module 50 is used for displaying time, and reminder time can be set.Described vibrating device 60 is used for making described acoustical vibration that portable microphone 100 vibrations of electric power are provided.During the time, described vibrating device 60 will vibrate when described clock module 50 arriving remindings, thereby reminds the user to arrive Preset Time.Described clip 70 is used for providing the portable microphone 100 of electric power to be clipped on clothes described acoustical vibration, thereby save the user, with hand, takes microphone, is convenient to the user and vacates the thing that a hand is done other.
Compared to prior art, acoustical vibration of the present invention provides the portable microphone 100 of electric power owing to being provided with the microphone module 30 of making based on the Micro Electro Mechanical System technology, thereby makes acoustical vibration of the present invention provide the portable microphone 100 of electric power to have the advantages such as lightweight, low in energy consumption, portable; Again owing to being provided with the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) 41 of described moving-coil type, thereby make acoustical vibration of the present invention provide the portable microphone 100 of electric power without using the batteries such as dry cell, button cell.
Of particular note, for the person of ordinary skill of the art, that under instruction of the present invention, does changes for equivalence of the present invention, must be included in the scope that the present patent application the scope of the claims advocates.
Claims (8)
1. an acoustical vibration provides the portable microphone of electric power, it is characterized in that: described acoustical vibration provides the portable microphone of electric power to comprise housing (10), be arranged on the sound chamber (20) on described housing (10), be arranged on the microphone module (30) of making based on the Micro Electro Mechanical System technology in described sound chamber (20) outside and be the power module (40) of described microphone module (30) power supply, described power module (40) comprises sound is converted into to the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of faradic moving-coil type (41), the induced current of the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of moving-coil type (41) input is converted into to galvanic current rectifying and wave filtering circuit (42) and the direct current of current rectifying and wave filtering circuit (42) input is stored to the electricity storage module (43) of using for described microphone module (30), the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of described moving-coil type (41) is arranged in described sound chamber (20).
2. acoustical vibration as claimed in claim 1 provides the portable microphone of electric power, it is characterized in that: the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of described moving-coil type (41) comprises pedestal (411), coil (412), protecgulum (413), magnet (414), spring (415), vibration line (416) and vibrating membrane (417); Described coil (412) one ends are fixed on protecgulum (413) above and are set on described pedestal (411) together with protecgulum (413); It is upper that described spring (415) one ends are fixed on housing (10), and the other end is fixed on described protecgulum (413); Described vibration line (416) links together described vibrating membrane (417) and described protecgulum (413); Described magnet (414) is the magnet that pair of magnetic is opposite, is oppositely arranged on described pedestal (411) upper, and described coil (412) is enclosed in wherein.
3. acoustical vibration as claimed in claim 2 provides the portable microphone of electric power, it is characterized in that: the transaudient Blast Furnace Top Gas Recovery Turbine Unit (TRT) of described moving-coil type (41) is gone back involving vibrations membrane support (418), and described vibrating membrane (417) is arranged in described vibrating membrane support (418).
4. acoustical vibration as claimed in claim 2 provides the portable microphone of electric power, it is characterized in that: described vibrating membrane (417) is the bionic thin film of imitative ear eardrum.
5. acoustical vibration as claimed in claim 1 provides the portable microphone of electric power, it is characterized in that: described current rectifying and wave filtering circuit (42) is the single-phase bridge rectification filter circuit.
6. acoustical vibration as described as any one in claim 1 to 5 provides the portable microphone of electric power, it is characterized in that: described microphone module (30) comprises micro-capacitance sensor (31) of making based on the Micro Electro Mechanical System technology, the micro-integrated converting circuit (32) that is connected with described micro-capacitance sensor (31) and the anti-noise circuit (33) that is connected with described micro-integrated converting circuit (32).
7. as right, ask 6 described acoustical vibrations that the portable microphone of electric power is provided, it is characterized in that: described portable microphone also is provided with the clock module (50) that is connected with described power module (40) and the vibrating device (60) that is connected with described clock module (50).
8. acoustical vibration as claimed in claim 7 provides the portable microphone of electric power, it is characterized in that: described housing (10) arranged outside has clip (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359797XA CN103402151A (en) | 2013-08-16 | 2013-08-16 | Portable microphone with electric power supplied by voice vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359797XA CN103402151A (en) | 2013-08-16 | 2013-08-16 | Portable microphone with electric power supplied by voice vibration |
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| Publication Number | Publication Date |
|---|---|
| CN103402151A true CN103402151A (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310359797XA Pending CN103402151A (en) | 2013-08-16 | 2013-08-16 | Portable microphone with electric power supplied by voice vibration |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888751Y (en) * | 2006-04-19 | 2007-04-11 | 韦文农 | A wireless audio transferring and receiving system |
| CN101720558A (en) * | 2007-04-19 | 2010-06-02 | 埃波斯开发有限公司 | Voice and position localization |
| CN202353423U (en) * | 2011-10-27 | 2012-07-25 | 比亚迪股份有限公司 | Electronic product using sound for generating electricity |
| US20120248555A1 (en) * | 2011-03-30 | 2012-10-04 | PixArt Imaging Incorporation, R.O.C. | MEMS sensing device and method for making same |
-
2013
- 2013-08-16 CN CN201310359797XA patent/CN103402151A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888751Y (en) * | 2006-04-19 | 2007-04-11 | 韦文农 | A wireless audio transferring and receiving system |
| CN101720558A (en) * | 2007-04-19 | 2010-06-02 | 埃波斯开发有限公司 | Voice and position localization |
| US20120248555A1 (en) * | 2011-03-30 | 2012-10-04 | PixArt Imaging Incorporation, R.O.C. | MEMS sensing device and method for making same |
| CN202353423U (en) * | 2011-10-27 | 2012-07-25 | 比亚迪股份有限公司 | Electronic product using sound for generating electricity |
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Application publication date: 20131120 |