CN204993773U - Welding formula earphone drive -by -wire microphone - Google Patents
Welding formula earphone drive -by -wire microphone Download PDFInfo
- Publication number
- CN204993773U CN204993773U CN201520770827.0U CN201520770827U CN204993773U CN 204993773 U CN204993773 U CN 204993773U CN 201520770827 U CN201520770827 U CN 201520770827U CN 204993773 U CN204993773 U CN 204993773U
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- circuit board
- vibrating diaphragm
- pore
- becket
- shell
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Abstract
The utility model discloses a welding formula earphone drive -by -wire microphone, which comprises an outer shell, the shell cavity bottom is equipped with metal plates, be equipped with the polar plate gas pocket on the polar plate, the polar plate top is equipped with insulating backing ring, the up end take -up of insulating backing ring is pasted and is had the vibrating diaphragm, vibrating diaphragm surface plated nickel, the vibrating diaphragm top is equipped with the becket, the becket top is equipped with the circuit board, be equipped with circuit board gas pocket on the circuit board, shell upper portion compresses tightly each part of the aforesaid together through inside turn down rims form, the circuit board outside is equipped with the wiring and welds the needle, the shell bottom is equipped with the air current hole that corresponds with the film position that shakes, circuit board gas pocket and polar plate gas pocket all are the inclined holes towards the middle part slope of becket inner wall, still include the PWB board, be equipped with on the PWB board and weld two welding holes of cushion dress complex with the wiring, the welding has the electric capacity parallelly connected with two welding holes on the PWB board, diode and switch. The advantage is rational in infrastructure, small in size, and sensitivity is higher, and is difficult for rupture of membranes, long service life when receiving big gas shock.
Description
Technical field
The utility model relates to a kind of welded type earphone line control microphone.
Background technology
Microphone, as the term suggests be exactly perceives sound variations in flow, and is converted into the transducer of switching signal output corresponding with it by variations in flow.Microphone traditional at present drives magnetic switch to form by silicone rubber membrane, when there being air-flow to flow through silicone rubber membrane, silicone rubber membrane shakes, thus trigger magnetic switch action, the on-off model representing air-flow and convert is exported by magnetic switch, traditional microphones structure is simple, easy to use, and application widely.The weak point of traditional microphones is: volume is large, and sensitivity is low, is unsuitable for requiring higher applications in induction sensitivity.
At present, microphone is applied to online transaudient field more, such as, on the earphone cord of mouth.When user wears the earphone with function of speaking, the air-flow of speaking can be delivered near microphone, the air-flow of speaking can drive the diaphragm oscillations of microphone, the signal of telecommunication on such microphone will follow sound variation, thus the effect played induction sound, transform voice signal, transmit voice signal.For user, different people has different customs.Such as, somebody likes gulping down and mumbles, and onlying demand the other side can hear, for such user, general microphone is installed on earphone cord and can meets the demands.Somebody then likes speaking up, for the purpose of can catching by the other side, understanding, more obvious when particularly speaking under noisy environment.This just requires that the frequency range of microphone perceives sound is wider, amplitude is comparatively large, also just requires that microphone needs to produce wider induced signal, and this must increase its inner diaphragm oscillations amplitude and realize by propagandaing directed to communicate to microphone loudly.Because microphone general distance oral area on earphone is comparatively near, large mouth is spoken and is caused impelling the moment of vibrating diaphragm quick violent oscillatory motion in microphone compared with air flow, and this often causes breaking of vibrating diaphragm, also just causes the damage of microphone, substantially reduces useful life.In addition, conventional earphone microphone is directly fixed on earphone cord by common microphone, and it is not firm not only to connect, and not to voice signal output control member, uses very inconvenient.
Utility model content
The technical problems to be solved in the utility model provides a kind of rational in infrastructure for above-mentioned deficiency, compact, sensitivity is higher, and when being subject to sound air flow and impacting not easily rupture of membranes, long service life, manipulation sound is convenient, a kind of welded type earphone line control microphone of stable output.
For solving the problems of the technologies described above, the design feature of this welded type earphone line control microphone is: comprise shell, metal polar plate is provided with bottom shell inner cavity, pole plate is provided with pole plate pore, insulation gasket ring is provided with above pole plate, the upper surface tension of insulation gasket ring is pasted with vibrating diaphragm, diaphragm surface nickel plating, becket is provided with above vibrating diaphragm, circuit board is provided with above becket, circuit board is provided with circuit board pore, shell upper by the form to in-flanges by above-mentioned each compressing parts together, wiring capillary is provided with outside circuit board, outer casing bottom is provided with the airflow hole corresponding with diaphragm position, circuit board pore and pole plate pore are all the inclined holes tilted in the middle part of becket inwall, also comprise PWB plate, PWB plate is provided with two welding holes coordinated with wiring capillary plug-in mounting, PWB plate is welded with the electric capacity in parallel with two welding holes, diode and switch, switch positive terminal is electrically connected with electrode line and power line, output capacitance is serially connected with in electrode line, load resistance is serially connected with in power line.
The welded type earphone line control microphone of this structure is that to carry out implementation structure by diaphragm-vibrating type contact structure reasonable, compact, and sensitivity is higher, and when being subject to sound air flow and impacting not easily rupture of membranes, long service life, manipulation sound is convenient, stable output.
Diaphragm-vibrating type contact structure mainly comprises and is arranged on vibrating diaphragm in shell and metal polar plate, insulation gasket ring is provided with between vibrating diaphragm and pole plate, be pasted onto on gasket ring side after the avris tension of vibrating diaphragm, like this, vibrating diaphragm is just plane under the support of gasket ring, and vibrating diaphragm and metal polar plate parallel interval under the support of insulation gasket ring comes.The electrical structure with contact function is formed in order to make vibrating diaphragm and metal polar plate, nickel plating on vibrating diaphragm, the nickel coating of vibrating diaphragm is electrically connected with circuit board by becket, pole plate is also formed with circuit board be electrically connected by shell, like this, vibrating diaphragm and pole plate are just all electrically connected with circuit board, and vibrating diaphragm and pole plate constitute two contacts of normal open switch.Conveniently air-flow triggers vibrating diaphragm, metal polar plate is provided with the pole plate pore of through pole plate both sides, circuit board is also provided with the circuit board pore of through circuit board both sides, like this, vibrating diaphragm is connected with ambient atmosphere by circuit board pore away from the side of pole plate, the side that vibrating diaphragm is adjacent with pole plate is also communicated with air by pole plate pore and airflow hole, when outer gas stream is flowed to airflow hole direction by circuit board pore, promotion vibrating diaphragm moves to the direction of pole plate by air-flow, time together with the nickel coating of diaphragm surface touches with metal polar plate, vibrating diaphragm just constitutes with pole plate and is electrically connected, circuit board sends this switching signal to external circuit by wiring capillary, thus realize the effect of sensitive perception air-flow.
In this patent, circuit board pore and pole plate pore are all the inclined holes tilted in the middle part of becket inwall, so just make circuit board pore and side plate pore be provided with oriented effect in the middle part of becket inwall.When speaker speaks up, strong air-flow can under the guide effect of circuit board pore and pole plate pore in the middle part of becket flowing or in the middle part of becket inwall outwardly.Like this, the path that flows through of air-flow is exactly: in the middle part of circuit board pore, becket inwall, pole plate pore, is a bending C shape path.And the circulation path of air-flow is in traditional microphones: circuit board pore, pole plate pore, it is a straight line path be directly communicated with.Therefore, air flow path of the present utility model is longer than the air flow path of traditional microphones, serves the effect relaxing current rate; make air-flow can not produce the large vibration of moment to vibrating diaphragm; therefore can not tear vibrating diaphragm, available protecting vibrating diaphragm, substantially prolongs useful life.Constant owing to entering air-flow total amount of the present utility model, therefore the Oscillation Amplitude of vibrating diaphragm is identical, and the signal of generation is identical.
The utility model also comprises the PWB plate be fixedly mounted on earphone cord, and PWB plate is provided with at least two welding holes, and welding hole coordinates with wiring capillary plug-in mounting.Therefore when producing, only need hold shell and wiring capillary plug-in mounting being entered in corresponding welding hole, then with melting scolding tin, wiring capillary and welding hole sealing are fixed together, operate very simple.In addition, in the utility model, PWB plate is welded with electric capacity, diode and the switch in parallel with two welding holes, wherein arranging one of effect of electric capacity and diode is the signal that filters out impurities, and signal is exported more clear.For convenience of describing, the two ends of switch are defined as positive terminal and negative pole end respectively.Wherein, switch positive terminal is electrically connected with electrode line and power line, and power line and switch negative pole end are electrically connected, for powering to circuit board by earphone cord is corresponding with external power source positive and negative polarities.When starting when powering, diode has the effect of stabilized power supply signal, and this is the effect two of diode.The negative pole end of electrode line and switch as two outputs of induced signal, the outside output sound signal of telecommunication.In the utility model, in electrode line, be serially connected with output capacitance, for steady output signal.Load resistance is serially connected with, for Limited Current and balanced load in power line.Because switch in parallel is at two welding hole two ends, therefore, when the switch is closed, electric capacity starts electric discharge, and power supply is by short circuit simultaneously, is so just equivalent to have sent a control signal or request signal to peripheral circuit, as opened signals such as receiving sound induced signal.When switch recovers off state, circuit board starts outside output sound signal, and therefore the utility model not only can firmly be arranged on earphone signal line, and has control signal function.
As improvement, outside becket, be set with dead ring.
In order to prevent becket from contacting and short circuit with outer casing inner wall, be set with dead ring outside becket, dead ring by becket and shell isolation, thus can improve the stability of this welded type earphone line control microphone.
As further improvement, outside outer casing bottom, be pasted with Air Filter.
Inner in order to prevent the impurity in air-flow from entering this welded type earphone line control microphone by airflow hole, be pasted with Air Filter in shell bottom outside, can filter out impurities after Air Filter is set, ensure sensitivity and the life-span of this welded type earphone line control microphone.
As improvement, described circuit board pore and pole plate pore are the large conical bore in little the inner, outer end.
Because the conical bore that the inner large outer end of circuit board pore and pole plate pore is little, when therefore outer gas stream enters the utility model, by first by less outer stomidium and then by stomidium in larger, finally just can enter the utility model inner chamber.Air-flow from less outer stomidium to comparatively imperial palace stomidium flow process, airflow passes aisle spare can become large gradually, and air-flow can extend out gradually.Under the prerequisite that air-flow total amount is certain, the air velocity flowing out conical bore can be starkly lower than the air-flow entering conical bore, therefore serves reduction of speed effect, greatly reduces the impact to vibrating diaphragm.As a same reason, when air-flow flows from larger conical bore the inner to less outer end, although the air velocity flowing out conical bore is very fast, the inner air velocity outwardly of the utility model is lower, ensure that the safety in utilization of vibrating diaphragm.
In sum, adopt the welded type earphone line control microphone of this structure, rational in infrastructure, compact, sensitivity is higher, and when being subject to sound air flow and impacting not easily rupture of membranes, long service life, manipulates convenient, stable output, is particluarly suitable for the less air-flow in space and detects occasion use.
Accompanying drawing explanation
By reference to the accompanying drawings the utility model is described in further details:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the fit structure schematic diagram of shell, pole plate, circuit board and vibrating diaphragm;
Fig. 3 is the utility model interior air-flow paths schematic diagram;
Fig. 4 is electrical schematic diagram of the present utility model.
In figure: 1 is shell, 2 is pole plate, and 3 is gasket ring, and 4 is vibrating diaphragm, and 5 is becket, and 6 is circuit board, and 7 is binding post, and 8 is airflow hole, and 9 is dead ring, and 10 is Air Filter, and 11 is pole plate pore, and 12 is circuit board pore.
Embodiment
As shown in the figure, this welded type earphone line control microphone comprises shell 1, and be provided with metal polar plate 2 bottom shell inner cavity, pole plate is provided with pole plate pore 11.Be provided with insulation gasket ring 3 above pole plate, the upper surface tension of insulation gasket ring is pasted with vibrating diaphragm 4, diaphragm surface nickel plating.Be provided with becket 5 above vibrating diaphragm, be provided with circuit board 6 above becket, circuit board is provided with circuit board pore.By the form to in-flanges by above-mentioned each compressing parts together, be provided with wiring capillary 7 outside circuit board, outer casing bottom is provided with the airflow hole 8 corresponding with diaphragm position to shell upper.Circuit board pore 12 and pole plate pore 11 are all the inclined holes tilted in the middle part of becket 5 inwall.The utility model also comprises PWB plate 13, PWB plate 13 and is provided with and is welded with electric capacity 15, diode 16 and the switch 17 in parallel with two welding holes 14 with on two welding hole 14, PWB plates 13 that wiring capillary 7 plug-in mounting coordinates.Switch 17 positive terminal is electrically connected with electrode line 18 and power line 19, is serially connected with output capacitance 20 in electrode line 18, is serially connected with load resistance 21 in power line 19.
The welded type earphone line control microphone of this structure mainly comprises and is arranged on vibrating diaphragm in shell and metal polar plate, insulation gasket ring is provided with between vibrating diaphragm and pole plate, be pasted onto on gasket ring side after the avris tension of vibrating diaphragm, like this, vibrating diaphragm is just plane under the support of gasket ring, and vibrating diaphragm and metal polar plate parallel interval under the support of insulation gasket ring comes.The electrical structure with contact function is formed in order to make vibrating diaphragm and metal polar plate, nickel plating on vibrating diaphragm, the nickel coating of vibrating diaphragm is electrically connected with circuit board by becket, pole plate is also formed with circuit board be electrically connected by shell, like this, vibrating diaphragm and pole plate are just all electrically connected with circuit board, and vibrating diaphragm and pole plate constitute two contacts of normal open switch.Conveniently air-flow triggers vibrating diaphragm, metal polar plate is provided with the pole plate pore of through pole plate both sides, circuit board is also provided with the circuit board pore of through circuit board both sides, like this, vibrating diaphragm is connected with ambient atmosphere by circuit board pore away from the side of pole plate, the side that vibrating diaphragm is adjacent with pole plate is also communicated with air by pole plate pore and airflow hole, when outer gas stream is flowed to airflow hole direction by circuit board pore, promotion vibrating diaphragm moves to the direction of pole plate by air-flow, time together with the nickel coating of diaphragm surface touches with metal polar plate, vibrating diaphragm just constitutes with pole plate and is electrically connected, circuit board sends this switching signal to external circuit by wiring capillary, thus realize the effect of sensitive perception air-flow.
In this patent, circuit board pore and pole plate pore are all the inclined holes tilted in the middle part of becket inwall, so just make circuit board pore and side plate pore be provided with oriented effect in the middle part of becket inwall.When speaker speaks up, strong air-flow can under the guide effect of circuit board pore and pole plate pore in the middle part of becket flowing or in the middle part of becket inwall outwardly.Like this, the path that flows through of air-flow is exactly: in the middle part of circuit board pore, becket inwall, pole plate pore, is a bending C shape path.And the circulation path of air-flow is in transmission microphone: circuit board pore, pole plate pore, it is a straight line path be directly communicated with.Therefore, air flow path of the present utility model is longer than the air flow path of traditional microphones, serves the effect relaxing current rate; make air-flow can not produce the large vibration of moment to vibrating diaphragm; therefore can not tear vibrating diaphragm, available protecting vibrating diaphragm, substantially prolongs useful life.Constant owing to entering air-flow total amount of the present utility model, therefore the Oscillation Amplitude of vibrating diaphragm is identical, and the signal of generation is identical.
The utility model also comprises the PWB plate be fixedly mounted on earphone cord, and PWB plate is provided with at least two welding holes, and welding hole coordinates with wiring capillary plug-in mounting.Therefore when producing, only need hold shell and wiring capillary plug-in mounting being entered in corresponding welding hole, then with melting scolding tin, wiring capillary and welding hole sealing are fixed together, operate very simple.In addition, in the utility model, PWB plate is welded with electric capacity, diode and the switch in parallel with two welding holes, wherein arranging one of effect of electric capacity and diode is the signal that filters out impurities, and signal is exported more clear.For convenience of describing, the two ends of switch are defined as positive terminal and negative pole end respectively.Wherein, switch positive terminal is electrically connected with electrode line and power line, and power line and switch negative pole end are electrically connected, for powering to circuit board by earphone cord is corresponding with external power source positive and negative polarities.When starting when powering, diode has the effect of stabilized power supply signal, and this is the effect two of diode.The negative pole end of electrode line and switch as two outputs of induced signal, the outside output sound signal of telecommunication.In the utility model, in electrode line, be serially connected with output capacitance, for steady output signal.Load resistance is serially connected with, for Limited Current and balanced load in power line.Because switch in parallel is at two welding hole two ends, therefore, when the switch is closed, electric capacity starts electric discharge, and power supply is by short circuit simultaneously, is so just equivalent to have sent a control signal or request signal to peripheral circuit, as opened signals such as receiving sound induced signal.When switch recovers off state, circuit board starts outside output sound signal, and therefore the utility model not only can firmly be arranged on earphone signal line, and has control signal function.
In the present embodiment, dead ring 9 is set with outside becket.In order to prevent becket from contacting and short circuit with outer casing inner wall, be set with dead ring outside becket, dead ring by becket and shell isolation, thus can improve the stability of this welded type earphone line control microphone.
In the utility model, outside outer casing bottom, be pasted with Air Filter 10.Inner in order to prevent the impurity in air-flow from entering this welded type earphone line control microphone by airflow hole, be pasted with Air Filter in shell bottom outside, can filter out impurities after Air Filter is set, ensure sensitivity and the life-span of this welded type earphone line control microphone.
In the utility model, described circuit board pore and pole plate pore are the large conical bore in little the inner, outer end.Because the conical bore that the inner large outer end of circuit board pore and pole plate pore is little, when therefore outer gas stream enters the utility model, by first by less outer stomidium and then by stomidium in larger, finally just can enter the utility model inner chamber.Air-flow from less outer stomidium to comparatively imperial palace stomidium flow process, airflow passes aisle spare can become large gradually, and air-flow can extend out gradually.Under the prerequisite that air-flow total amount is certain, the air velocity flowing out conical bore can be starkly lower than the air-flow entering conical bore, therefore serves reduction of speed effect, greatly reduces the impact to vibrating diaphragm.As a same reason, when air-flow flows from larger conical bore the inner to less outer end, although the air velocity flowing out conical bore is very fast, the inner air velocity outwardly of the utility model is lower, ensure that the safety in utilization of vibrating diaphragm.
Therefore, adopt the welded type earphone line control microphone of said structure, rational in infrastructure, compact, sensitivity is higher, and when being subject to sound air flow and impacting not easily rupture of membranes, long service life, manipulates convenient, stable output, is particluarly suitable for the less air-flow in space and detects occasion use.
Claims (4)
1. a welded type earphone line control microphone, it is characterized in that: comprise shell (1), shell (1) intracavity bottom is provided with metal polar plate (2), pole plate (2) is provided with pole plate pore (11), pole plate (2) top is provided with insulation gasket ring (3), the upper surface tension of insulation gasket ring (3) is pasted with vibrating diaphragm (4), vibrating diaphragm (4) plating nickel on surface, vibrating diaphragm (4) top is provided with becket (5), becket (5) top is provided with circuit board (6), circuit board (6) is provided with circuit board pore (12), shell (1) top by the form to in-flanges by above-mentioned each compressing parts together, circuit board (6) outside is provided with wiring capillary (7), shell (1) bottom is provided with the airflow hole (8) corresponding with vibrating diaphragm (4) position, circuit board pore (12) and pole plate pore (11) are all the inclined holes tilted in the middle part of becket (5) inwall, also comprise PWB plate (13), PWB plate (13) is provided with two welding holes (14) coordinated with wiring capillary (7) plug-in mounting, PWB plate (13) is welded with the electric capacity (15) in parallel with two welding holes (14), diode (16) and switch (17), switch (17) positive terminal is electrically connected with electrode line (18) and power line (19), output capacitance (20) is serially connected with in electrode line (18), load resistance (21) is serially connected with in power line (19).
2. a kind of welded type earphone line control microphone as claimed in claim 1, is characterized in that: becket (5) outside is set with dead ring (9).
3. a kind of welded type earphone line control microphone as claimed in claim 1 or 2, is characterized in that: shell (1) bottom outside is pasted with Air Filter (10).
4. a kind of welded type earphone line control microphone as claimed in claim 3, is characterized in that: described circuit board pore (12) and pole plate pore (11) are the large conical bore in little the inner, outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770827.0U CN204993773U (en) | 2015-10-08 | 2015-10-08 | Welding formula earphone drive -by -wire microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770827.0U CN204993773U (en) | 2015-10-08 | 2015-10-08 | Welding formula earphone drive -by -wire microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993773U true CN204993773U (en) | 2016-01-20 |
Family
ID=55128091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520770827.0U Expired - Fee Related CN204993773U (en) | 2015-10-08 | 2015-10-08 | Welding formula earphone drive -by -wire microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993773U (en) |
-
2015
- 2015-10-08 CN CN201520770827.0U patent/CN204993773U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20171008 |