CN203618122U - Radio device - Google Patents
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- CN203618122U CN203618122U CN201320627171.8U CN201320627171U CN203618122U CN 203618122 U CN203618122 U CN 203618122U CN 201320627171 U CN201320627171 U CN 201320627171U CN 203618122 U CN203618122 U CN 203618122U
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- electric conductor
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Abstract
A radio device includes a shell, a circuit department, an electric conductor, a first piezoelectric patch, a second piezoelectric patch, a first electricity transmission department and a second electricity transmission department; the shell has an accommodation department, one end of which is formed an opening, and the other end of which is formed an underside; the electric conductor is located inside of the accommodation department having a first side and a second side; the first piezoelectric patch is inside of the accommodation department and is installed on the first side of the electric conductor; the second piezoelectric patch is inside of the accommodation department and is installed on the second side of the electric conductor; the first piezoelectric patch is inside of the accommodation department as well as is flexibly and electrically connected between the underside and the first piezoelectric patch; the second piezoelectric patch is inside of the accommodation department and is electrically connected between the circuit department and the second piezoelectric patch. The utility model vibrates via the electric conductor to make the first piezoelectric patch and the second piezoelectric patch respectively produce a first signal and a second signal, which increases the opportunity of the radio device to receive a variety of range and a more widely pitch range.
Description
Technical field
The utility model provides a kind of audio signal reception device, particularly about a kind of piezoelectric type audio signal reception device.
Background technology
Audio signal reception device has become one of articles for use that the most often use in modern's daily life, such as music player of mobile communication device, recording pen, tool sound-recording function etc., all need the second best in quality audio signal reception device to reach reception external sound, refer to especially the effect of the voice that user sends.
Common audio signal reception device comprises Electret Condencer Microphone and piezoelectric microphone, in traditional piezoelectric microphone, mostly utilize a vibrating diaphragm or elastic material to be attached on human body, acoustic pressure when experiencing human body sounding, and the pressure of sound wave is delivered to piezoelectric patches, the structure that makes piezoelectric patches changes because of pressure, then produces voltage for processing.
But traditional piezoelectric microphone utilizes piezoelectric patches to carry out sensing acoustic vibration, and electric conductor often attaches one deck piezoelectric patches, or electric conductor is coated by one deck piezoelectric element.Therefore, piezoelectric patches only can be confined to the acoustic signals of a certain range, make the acoustic signals beyond range that piezoelectric patches limits to, or the wider acoustic signals of range is easy to produce distortion.
Utility model content
In view of this, the utility model provides a kind of audio signal reception device, this audio signal reception device vibrates to make the first piezoelectric patches and the second piezoelectric patches to produce respectively first signal and secondary signal by electric conductor, so that audio signal reception device receives the chance of multiple range or wider range scope.
The utility model proposes a kind of audio signal reception device, comprise a housing, a circuit part, an electric conductor, one first piezoelectric patches, one second piezoelectric patches, one first conduction transport part and one second conduction transport part.Housing has a resettlement section, and one end, resettlement section forms an opening, and the resettlement section other end forms a bottom surface.Circuit part is arranged at resettlement section one side and closely sealed opening.Electric conductor is positioned at resettlement section and has one first side and one second side.The first piezoelectric patches is positioned at resettlement section and is arranged at the first side of electric conductor.The second piezoelectric patches is positioned at resettlement section and is arranged at the second side of electric conductor.The first conduction transport part is in resettlement section and be flexibly electrically connected between bottom surface and the first piezoelectric patches.The second conduction transport part is in resettlement section and be electrically connected between circuit part and the second piezoelectric patches.
In the utility model one embodiment, above-mentioned audio signal reception device more comprises a vibration assisted parts, and vibration assisted parts is positioned at resettlement section and is arranged on the second piezoelectric patches.
In the utility model one embodiment, above-mentioned housing more comprises a MIC, and MIC runs through bottom surface, in order to receive a sound wave.
In the utility model one embodiment, above-mentioned the first conduction transport part is at least two conductive elastomers, these described conductive elastomers are disposed on the bottom surface of relative both sides, resettlement section, and each conductive elastomer has a groove, and these described grooves are in order to carry the first piezoelectric patches.
In the utility model one embodiment, above-mentioned the first conduction transport part is a conductive elastomer, and this conductive elastomer is disposed on the bottom surface of resettlement section.
In the utility model one embodiment, above-mentioned the second conduction transport part is a conductor wire, conducting strip, conductor or a power spring.
In the utility model one embodiment, the material of above-mentioned the first piezoelectric patches and the second piezoelectric patches different each other.
In the utility model one embodiment, above-mentioned electric conductor is a metal plate, a columnar metal body or a Metal Flake body, and housing is metal shell.
In the utility model one embodiment, above-mentioned the first piezoelectric patches, the second piezoelectric patches, electric conductor and bottom surface are arranged side by side each other.
The manufacture method that the utility model proposes a kind of audio signal reception device, comprising: a housing is provided, and this housing has a resettlement section, and one end, resettlement section forms an opening, and the resettlement section other end forms a bottom surface; One first conduction transport part and bottom surface are flexibly electrically connected; One electric conductor is provided, and electric conductor has one first side and one second side, and the first side is provided with one first piezoelectric patches, and the second side is provided with one second piezoelectric patches; Electric conductor is set in resettlement section, and makes the first piezoelectric patches of the first side in electric conductor be electrically connected the first conduction transport part; And make a circuit part be sealed at the opening of housing one end, and between circuit part and the second electric conductor, be electrically connected with one second conduction transport part.
In addition, wherein this first conduction transport part is conductive elastomer.
Wherein this second conduction transport part is conductor wire, electroconductive elastic sheet, conductor or power spring.
Wherein this first piezoelectric patches is different each other from the material of this second piezoelectric patches.
Wherein this second piezoelectric patches one side more arranges a vibration assisted parts.
In sum, audio signal reception device of the present utility model vibrates by electric conductor, so that the first piezoelectric patches and the second piezoelectric patches produce respectively first signal and secondary signal, so that audio signal reception device can receive the chance of multiple range or wider range scope.
For above and other object of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Fig. 1 is the generalized section of the audio signal reception device of the utility model one embodiment;
Fig. 2 A to Fig. 2 C is according to the schematic diagram of the manufacture method of the audio signal reception device of the utility model one embodiment of Fig. 1;
Fig. 3 is the generalized section of the audio signal reception device of another embodiment of the utility model;
Fig. 4 is the generalized section of the audio signal reception device of another embodiment of the utility model;
Fig. 5 is the generalized section of the audio signal reception device of another embodiment of the utility model.
Description of reference numerals:
1,2,3,4: audio signal reception device
10: housing
12: circuit part
14: electric conductor
16: the first piezoelectric patches
18: the second piezoelectric patches
20,20a, 20b: the first conduction transport part
21,21a, 21b: conductive elastomer
22,22a, 22b: the second conduction transport part
24: vibration assisted parts
100: resettlement section
102: opening
104,104a: bottom surface
106: MIC
140: the first sides
142: the second sides
202: groove
Embodiment
In order fully to understand the utility model, in below exemplifying embodiment and coordinating accompanying drawing to elaborate, and it is not in order to limit the utility model.
Fig. 1 is the generalized section of the audio signal reception device of the utility model one embodiment.As shown in Figure 1, a kind of audio signal reception device 1 comprises a housing 10, a circuit part 12, an electric conductor 14, one first piezoelectric patches 16, one second piezoelectric patches 18, one first conduction transport part 20 and one second conduction transport part 22.In practice, electric conductor 14, the first piezoelectric patches 16, the second piezoelectric patches 18, the first conduction transport part 20 and the second conduction transport part 22 are between housing 10 and circuit part 12.Thus, audio signal reception device 1 is for example contact audio signal reception device, and contact audio signal reception device can be attached or by the sounding position that is pressed in human body skin around, produce voice signal with contact audio signal reception device according to sound wave.
Specifically, electric conductor 14 is electrically connected between the first piezoelectric patches 16 and the second piezoelectric patches 18, wherein the first piezoelectric patches 16 is electrically connected the first conduction transport part 20, and the first conduction transport part 20 is electrically connected housing 10, housing 10 is electrically connected the negative pole of circuit part 12, and the second piezoelectric patches 18 is electrically connected the second conduction transport parts 22, conduction transport part 22, the second and is electrically connected the positive pole of circuit part 12.Thus, audio signal reception device 1 receives the conducting loop that sound wave forms, and then output sound signal.
Circuit part 12 is arranged at resettlement section 100 1 sides and closely sealed opening 102, and thus, circuit part 12 seals the opening 102 of resettlement section 100, so that housing 10 forms a seal cavity with circuit part 12.Certainly, circuit part 12 comprises the assembly (not shown) such as electric capacity, transistor or amplifying circuit, the signal of changing in order to receive and to process the first piezoelectric patches 16 and the second piezoelectric patches 18, (not shown) in electronic installation is broadcasted or be stored in to the operations such as for example process sampling, filtration, amplification, to produce a voice signal, in order to voice signal being sent to loud speaker.
In practice, electric conductor 14 produces vibration according to sound wave, so that the first piezoelectric patches 16 that is positioned at the first side 140 is according to the generation of vibration first signal of electric conductor 14, and circuit part 12 receives and process first signal.Certainly, electric conductor 14 produces vibration according to sound wave, so that the second piezoelectric patches 18 that is positioned at the second side 142 is according to the generation of vibration secondary signal of electric conductor 14, and circuit part 12 receives and process secondary signal.Thus, audio signal reception device 1 of the present utility model can receive by electric conductor 14 acoustic vibration of different ranges, and export first signal or the secondary signal of different ranges by the first piezoelectric patches 16 or the second piezoelectric patches 18, and receive first signal, secondary signal or first signal and secondary signal is converted to voice signal by circuit part 12.
In the first conduction 20 resettlement section, transport part 100 and be flexibly electrically connected between bottom surface 104 and the first piezoelectric patches 16, wherein the first conduction transport part 20 is for example two conductive elastomers 21, these conductive elastomers 21 are disposed on the bottom surface 104 of 100 relative both sides, resettlement section, and each conductive elastomer 21 has a groove 202, these grooves 202 are in order to carry the first piezoelectric patches 16.Specifically, conductive elastomer 21 is for example for having flexible conducting resinl or conductive adhesive tape, and the quantity of conductive elastomer 21 is two, and each conductive elastomer 21 is L-type cylinder.Therefore, the two ends of the first piezoelectric patches 16 are disposed on the groove 202 of these conductive elastomers 21, make the first piezoelectric patches 16 produce amplitude according to the vibration of electric conductor 14, and then produce first signal.Thus, these conductive elastomers 21 are flexibly electrically connected the first piezoelectric patches 16.
For instance, the pressure that electric conductor 14 causes according to acoustic vibration, as the first side 140 in electric conductor 14 produces vibration, the first piezoelectric patches 16 will transmit first signal to housing 10 by these conductive elastomers 21, and first signal transfers to circuit part 12 by housing 10 again.In other embodiments, the first conduction transport part 20 can be a conductive elastomer 21, and conductive elastomer 21 can be positioned on 100Nei bottom surface, resettlement section 104, for example conductive elastomer 21 is positioned at the middle section on bottom surface 104, and the allocation position that the conduction of first in the present embodiment transport part 20 is two conductive elastomers 21 is only signal, be not limited to shown in Fig. 1.
The second conduction transport part 22 for example includes but not limited to a conductor wire, an electroconductive elastic sheet, a conductor or a power spring.In the second conduction 22 resettlement section, transport part 100 and be electrically connected between circuit part 12 and the second piezoelectric patches 18, wherein the second conduction transport part 22 is for example electroconductive elastic sheet, and the second conduction transport part 22 is flexibly electrically connected between circuit part 12 and the second piezoelectric patches 18.
In addition, in other embodiments, the second conduction transport part 22 is for example conductor wire, and the second conduction transport part 22 can be by tin cream electric welding between the second piezoelectric patches 18 and circuit part 12.Hence one can see that, and the second conduction transport part 22 is electrically connected between circuit part 12 and the second piezoelectric patches 18.The pressure causing according to acoustic vibration when electric conductor 14, as the second side 142 in electric conductor 14 produces vibration, the second piezoelectric patches 18 by the second conduction transport part 22 just secondary signal transfer to circuit part 12.
The first conduction transport part 20 and the second conduction transport part 22 are electrically connected respectively the first piezoelectric patches 16 and the second piezoelectric patches 18, the first conduction transport part 20 is by the indirectly electrical connecting circuit of housing 10 portion 12, and the second conduction transport part 22 is directly electrically connected circuit part 12, for example the first conduction transport part 20 is for the negative pole of signal as outputing to circuit part 12, and the second conduction transport part 22 is for the positive pole of signal as outputing to circuit part 12.Therefore, audio signal reception device 1 transfers to circuit part 12 by the first conduction transport part 20 and the second conduction transport part 22 by first signal and secondary signal, and receive first signal or secondary signal is converted to voice signal by circuit part 12, so that audio signal reception device 1 receives the chance of multiple range or wider range scope.
The first piezoelectric patches 16 is positioned at resettlement section 100 and is arranged at the first side 140 of electric conductor 14, and the second piezoelectric patches 18 is positioned at resettlement section 100 and be arranged at the second side 142 of electric conductor 14.That is to say, the first piezoelectric patches 16, the second piezoelectric patches 18, electric conductor 14 and bottom surface 104 are arranged side by side each other, and the first piezoelectric patches 16 and the second piezoelectric patches 18 arrange along the first side 140 of electric conductor 14 and the surface of the second side 142, be converted to electric energy in order to the kinetic energy that the vibration of electric conductor 14 is produced, and export a signal.
Specifically, the first piezoelectric patches 16 and the second piezoelectric patches 18 have the characteristic that can produce electrical signals while being subject to mechanical pressure, the first piezoelectric patches 16 and the second piezoelectric patches 18 are in the time being under pressure, and material structure can produce distortion, in order to resist the distortion of structural arrangement, the first piezoelectric patches 16 or the second piezoelectric patches 18 can produce positive and negative electric charge in the both sides of pressurized, and the movement that positive and negative electric charge carries out for elimination potential difference produces voltage.Therefore, audio signal reception device 1 utilizes the first piezoelectric patches 16 and the second piezoelectric patches 18 that electric conductor 14 is converted to signal because of the vibration that sound wave pulse produces in the present embodiment, then the voltage signal of taking is wherein processed to circuit part 12.
The material of the first piezoelectric patches 16 and the second piezoelectric patches 18 can be Sensor, piezoelectric crystal or piezoelectric membrane.Sensor is for example: barium titanate (BaTiO3), lead titanates (Lead titanate, PbTiO3), lead zirconate titanate (Lead zirconate titanate, PZT) or lead zirconate titanate and silver composite (PZT/Ag composites) etc.; What piezoelectric crystal was common has: lithium niobate, potassium niobate, quartz, tourmaline, sodium tartrate (Sodium tartrate), Ruo Xieer salt (Rochelle salt) etc.; Piezoelectric membrane is for example: zinc oxide (ZnO) etc.; In addition,, in natural polymer substance and artificial synthetic polymer, also there is part to there is described piezoelectric property.
It should be noted that the first piezoelectric patches 16 and the second piezoelectric patches 18 can be the piezoelectric patches of unlike material, for example the first piezoelectric patches 16 is the piezoelectric patches of generation treble frequency signal, and the second piezoelectric patches 18 is for example for producing the piezoelectric patches of bass frequencies signal.For instance, audio signal reception device 1 of the present utility model can receive high pitch and transmit first signal by the first piezoelectric patches 16, so that circuit part 12 receives and processes the first signal with high pitch, or audio signal reception device 1 can receive bass and transmit secondary signal by the second piezoelectric patches 18, so that circuit part 12 receives and process the secondary signal with bass, and circuit part 12 receives and processes first signal and secondary signal is exported the voice signal with high pitch and bass range scope.Therefore, audio signal reception device 1 of the present utility model can receive the range scope of high pitch to bass.
In the present embodiment, the first piezoelectric patches 16, the second piezoelectric patches 18 are equal in length with electric conductor 14, that is first piezoelectric patches 16, the second piezoelectric patches 18 are overlapping with the surface of electric conductor 14, therefore, electric conductor 14 can produce vibration according to sound wave provides the first piezoelectric patches 16 or the second piezoelectric patches 18 to carry out the conversion of electric energy.In addition, in other embodiments, the length of the first piezoelectric patches 16 and the second piezoelectric patches 18 can be unequal; Or the length of the length of the first piezoelectric patches 16 and electric conductor 14 can be unequal; Or the length of the length of the second piezoelectric patches 18 and electric conductor 14 can be unequal, and the length of the first piezoelectric patches 16, the second piezoelectric patches 18 and electric conductor 14 has and conventionally knows that the knowledgeable freely design visual needs in affiliated technical field.
The audio signal reception device 1 of the present embodiment utilizes the first piezoelectric patches 16 and the second piezoelectric patches 18 pressure can be converted to the ability of signal, can be used as a contact audio signal reception device 1.Take contact audio signal reception device 1 as example, it can be attached or by the sounding position that is pressed in human body skin around, for example throat, the inferior place of ear, the pressure that during by means of human body sounding, sound wave produces, make the electric conductor 14 of audio signal reception device 1 produce vibration, and make the first piezoelectric patches 16 and the second piezoelectric patches 18 be converted to described signal according to vibration.
The intensity of the first piezoelectric patches 16 or 18 signals that can produce of the second piezoelectric patches, is subject to the impact of the Oscillation Amplitude that electric conductor 14 shows according to its pressure of experiencing; The amplitude producing when electric conductor 14 is larger, and the pressure that the first piezoelectric patches 16 or the second piezoelectric patches 18 are produced is larger, and the signal that the first piezoelectric patches 16 or the second piezoelectric patches 18 convert is also relatively stronger.And under the pressure producing at identical sound wave, the amplitude size that the length of electric conductor 14 produces to it is directly proportional.Therefore, the length of electric conductor 14 is longer, and the signal strength signal intensity that the first piezoelectric patches 16 and the second piezoelectric patches 18 convert is also stronger, even the pressure that the trickleer sound wave of extent of vibration produces, after audio signal reception device 1 receives, also can be exchanged into stable signal, and produce clearly voice signal.Therefore, longer electric conductor 14 can be set in this example, to improve the sensitivity of audio signal reception device 1 radio reception.
Be more than the introduction of the structure of the audio signal reception device of the utility model one embodiment, be next example by the audio signal reception device structure take shown in Fig. 1, and coordinate Fig. 2 A to Fig. 2 C that the manufacture process of audio signal reception device is described.
Fig. 2 A to Fig. 2 C is according to the manufacture method schematic diagram of the audio signal reception device 1 of the utility model one embodiment.
Refer to Fig. 2 A, first, provide a housing 10.Housing 10 has a resettlement section 100, and one end of resettlement section 100 forms opening 102, and resettlement section 100 other ends form bottom surface 104.Then, to two conductive elastomers 21 be set on the bottom surface 104 of 100 relative both sides, resettlement section, these conductive elastomers 21 are for example two and have flexible conductive adhesive tape, and each conductive elastomer 21 has a groove 202, so that each conductive elastomer 21 presents L-type cylinder.Thus, the first conduction transport part 20 is these conductive elastomers 21, and the first conduction transport part 20 is flexibly electrically connected with bottom surface 104, as shown in Figure 2.
Refer to Fig. 2 B, next, the first piezoelectric patches 16 is disposed on the groove 202 of these conductive elastomers 21, so that the two ends of the first piezoelectric patches 16 connect these conductive elastomers 21.Then, then electric conductor 14 is disposed on the first piezoelectric patches 16, afterwards, the second piezoelectric patches 18 is disposed on electric conductor 14.Therefore, electric conductor 14 is disposed between the first piezoelectric patches 16 and the second piezoelectric patches 18, and the opening 102 of 104, the second piezoelectric patches 18 contiguous resettlement sections 100, bottom surface of the first piezoelectric patches 16 contiguous resettlement sections 100.
In addition, one electric conductor 14 can be provided in processing procedure, electric conductor 14 has the first side 140 and the second side 142, and the first side 140 is provided with the first piezoelectric patches 16, the second side 142 is provided with the second piezoelectric patches 18, again electric conductor 14 is arranged to resettlement section 100, and makes the first piezoelectric patches 16 of the first side 140 in electric conductor 14 be electrically connected the first conduction transport part 20.Thus, electric conductor 14, the first piezoelectric patches 16 and the second piezoelectric patches 18 can be fitted in advance, then the first piezoelectric patches 16, electric conductor 14 and second piezoelectric patches 18 of laminating are together disposed on the first conduction transport part 20.So staff can more conveniently carry out the first piezoelectric patches 16, electric conductor 14 and the second piezoelectric patches 18 and be disposed at the manufacturing process on the first conduction transport part 20.
Refer to Fig. 2 C, afterwards, by the opening 102 of circuit part 12 seal casinghousing 10 one end, so that housing 10 forms a seal cavity with circuit part 12, and be electrically connected with the second conduction transport part 22 between circuit part 12 and the second piezoelectric patches 18.In practice, the second conduction transport part 22 is welded by tin cream by circuit part 12, and this second conduction transport part 22 is electroconductive elastic sheet, therefore, in the time that circuit part 12 seals the opening 102 of resettlement section 100, the second conduction transport part 22 is flexibly electrically connected on the second piezoelectric patches 18.In addition, in other embodiments, the second conduction transport part 22 is for example wire, and the second conduction transport part 22 is welded between circuit part 12 and the second piezoelectric patches 18 by tin cream, in the time that circuit part 12 seals the opening 102 of resettlement section 100, receive the second conduction 22Jiang Bei resettlement section, transport part 100.
Fig. 3 is the generalized section of the audio signal reception device of another embodiment of the utility model.Refer to Fig. 3.Audio signal reception device 2 in Fig. 3 is with respect to audio signal reception device 1 difference in Fig. 1: audio signal reception device 2 more comprises a vibration assisted parts 24, and housing 10 more comprises a MIC 106, and in addition, the second conduction transport part 22a is a wire.Specifically, vibration assisted parts 24 is positioned at resettlement section 100 and is arranged on the second piezoelectric patches 18, and vibration assisted parts 24 is in order to increase the Oscillation Amplitude of electric conductor 14.For instance, vibration assisted parts 24 can be the material that density is higher, weight is heavier, and for example metal, heavy mallet, in order to increase the Oscillation Amplitude of electric conductor 14 in the time vibrating.
Figure 3 shows that example, the first piezoelectric patches 16, electric conductor 14 and the second piezoelectric patches 18 are respectively a plate body, be the heavy mallet of a metal and vibrate assisted parts 24, be arranged at the middle section that for example vibrates assisted parts 24 on the second piezoelectric patches 18 and be disposed at the second piezoelectric patches 18, to increase the weight of electric conductor 14 in the time vibrating, make electric conductor 14 according to pendulum principle, adjust the amplitude of its vibration.In addition, the heavy mallet of metal using can be set to inhomogeneous heavy mallet, to make electric conductor 14 increase Oscillation Amplitude according to the difference of gravity.
The amplitude of vibrating when electric conductor 14 is larger, and the intensity of the pressure that the first piezoelectric patches 16 or the second piezoelectric patches 18 are subject to and the signal of changing is also stronger; Under identical acoustic pressure, the audio signal reception device 2 that has increased vibration assisted parts 24 compares the not audio signal reception device 1 of tool vibration assisted parts 24 and can change out larger voltage, and the voice signal producing after circuit part 12 is processed is more clear, the radio reception sensitivity that improves therefrom audio signal reception device 2.
In addition, the second conduction transport part 22a is for example wire, the second conduction transport part 22a can be welded between circuit part 12 and the second piezoelectric patches 18 by tin cream, in the time that circuit part 12 seals the opening 102 of resettlement section 100, the second conduction transport part 22a will be disposed in resettlement section 100, and in order to transmit secondary signal.
Fig. 4 is the generalized section of the audio signal reception device of another embodiment of the utility model.Refer to Fig. 4.Audio signal reception device 3 in Fig. 4 is with respect to audio signal reception device 1 difference in Fig. 1: the first conduction transport part 20a is a conductive elastomer 21a, and this conductive elastomer 21a is disposed on the bottom surface 104 of resettlement section 100.In practice, conductive elastomer 21a is arranged at the middle section of bottom surface 104, makes the two ends of the first piezoelectric patches 16 there is no supporter, and the first piezoelectric patches 16 and the first conduction transport part 20a present T font.Thus, the first piezoelectric patches 16 transmits first signal to circuit part 12 by the first conduction transport part 20a.
Fig. 5 is the generalized section of the audio signal reception device of another embodiment of the utility model.Refer to Fig. 5.Audio signal reception device 4 in Fig. 5 is with respect to audio signal reception device 1 difference in Fig. 1: the first conduction transport part 20b is a conductive elastomer 21b, and this conductive elastomer 21b is disposed in resettlement section 100 and is flexibly electrically connected between bottom surface 104 and the first piezoelectric patches 16, wherein conductive elastomer 21b is disposed on the bottom surface 104 of a wherein side of 100 relative both sides, resettlement section, as shown in Figure 5.In the same manner, the second conduction transport part 22b is for example conductor, the second conduction transport part 22b can corresponding conductive elastomer 21b position be electrically connected between circuit part 12 and the second piezoelectric patches 18, in the time that circuit part 12 seals the opening 102 of resettlement section 100, the second conduction transport part 22b and the first conduction transport part 20b will clamp or fixing electric conductor 14, and the first piezoelectric patches 16 and the second piezoelectric patches 18 are disposed at respectively the both sides of electric conductor 14, the wherein one end at electric conductor 14 two ends is suspended in resettlement section 100, as shown in Figure 5 thus.
In other embodiments, the second conduction transport part 22b and first conducts electricity that transport part 20b can clamp or the wherein one end at fixing electric conductor 14 two ends, and the first piezoelectric patches 16 and the second piezoelectric patches 18 are disposed at respectively the both sides of electric conductor 14, for example right-hand member of electric conductor 14 is suspended in resettlement section 100; Or the left end of electric conductor 14 is suspended in resettlement section 100.The present embodiment does not limit the aspect of the second conduction transport part 22b and the first conduction transport part 20b clamping or fixing the first piezoelectric patches 16, electric conductor 14 and the second piezoelectric patches 18.
Certainly, audio signal reception device 4 of the present utility model can receive by electric conductor 14 acoustic vibration of different ranges, and export first signal or the secondary signal of different ranges by the first piezoelectric patches 16 or the second piezoelectric patches 18, and receive first signal, secondary signal or first signal and secondary signal is converted to voice signal by circuit part 12.
In sum, the utility model provides a kind of audio signal reception device, this audio signal reception device vibrates to make the first piezoelectric patches and the second piezoelectric patches to produce respectively first signal and secondary signal by electric conductor, and via the first conduction transport part and the second conduction transport part transmission first signal with secondary signal to circuit part, so that circuit part's reception first signal and secondary signal are converted to voice signal.Thus, audio signal reception device of the present utility model can receive the chance of multiple range or wider range scope.In addition, the advantage such as audio signal reception device has more (cost is low) easy to manufacture and follow-up adjustment elasticity is large, therefore really can reach the purpose of this utility model.
Although preferred embodiment of the present utility model has disclosed as above; so the utility model is not limited to above-described embodiment; any those skilled in the art; not departing from the scope that the utility model discloses; when doing a little change and adjustment, therefore protection range of the present utility model should be as the criterion with claim protection range.
Claims (9)
1. an audio signal reception device, is characterized in that, comprising:
One housing, has a resettlement section, and this one end, resettlement section forms an opening, and this resettlement section other end forms a bottom surface;
One circuit part, is arranged at this resettlement section one side and closely sealed this opening;
One electric conductor, is positioned at this resettlement section and has one first side and one second side;
One first piezoelectric patches, is positioned at this resettlement section and is arranged at this first side of this electric conductor;
One second piezoelectric patches, is positioned at this resettlement section and is arranged at this second side of this electric conductor;
One first conduction transport part, in this resettlement section and be flexibly electrically connected between this bottom surface and this first piezoelectric patches; And
One second conduction transport part, in this resettlement section and be electrically connected between this circuit part and this second piezoelectric patches.
2. audio signal reception device as claimed in claim 1, more comprises a vibration assisted parts, and this vibration assisted parts is positioned at this resettlement section and is arranged on this second piezoelectric patches.
3. audio signal reception device as claimed in claim 1, its middle shell more comprises a MIC, this MIC runs through this bottom surface.
4. audio signal reception device as claimed in claim 1, wherein this first conduction transport part is at least two conductive elastomers, these described conductive elastomers are disposed on this bottom surface of these relative both sides, resettlement section, and respectively this conductive elastomer has a groove, these described grooves are in order to carry this first piezoelectric patches.
5. audio signal reception device as claimed in claim 1, wherein this first conduction transport part is a conductive elastomer, this conductive elastomer is disposed on this bottom surface of this resettlement section.
6. audio signal reception device as claimed in claim 1, wherein this second conduction transport part is conductor wire, conducting strip, conductor or power spring.
7. audio signal reception device as claimed in claim 1, wherein this first piezoelectric patches is different each other from the material of this second piezoelectric patches.
8. audio signal reception device as claimed in claim 1, wherein this electric conductor is a metal plate, a columnar metal body or a Metal Flake body, and this housing is metal shell.
9. audio signal reception device as claimed in claim 1, wherein this first piezoelectric patches, this second piezoelectric patches, this electric conductor and this bottom surface are arranged side by side each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320627171.8U CN203618122U (en) | 2013-10-11 | 2013-10-11 | Radio device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320627171.8U CN203618122U (en) | 2013-10-11 | 2013-10-11 | Radio device |
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| Publication Number | Publication Date |
|---|---|
| CN203618122U true CN203618122U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320627171.8U Expired - Fee Related CN203618122U (en) | 2013-10-11 | 2013-10-11 | Radio device |
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| CN (1) | CN203618122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581584A (en) * | 2013-10-11 | 2015-04-29 | 岳凡恩 | Radio device and method for manufacturing the same |
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2013
- 2013-10-11 CN CN201320627171.8U patent/CN203618122U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581584A (en) * | 2013-10-11 | 2015-04-29 | 岳凡恩 | Radio device and method for manufacturing the same |
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