CN208079324U - A kind of headset connector - Google Patents
A kind of headset connector Download PDFInfo
- Publication number
- CN208079324U CN208079324U CN201820007483.1U CN201820007483U CN208079324U CN 208079324 U CN208079324 U CN 208079324U CN 201820007483 U CN201820007483 U CN 201820007483U CN 208079324 U CN208079324 U CN 208079324U
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- China
- Prior art keywords
- headset connector
- control box
- earphone socket
- pass filtering
- earphone
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Abstract
The utility model discloses a kind of headset connector, which includes the connecting line of terminating plug, wired control box and the connection terminating plug and the wired control box；The terminating plug is configured as connection terminal device；Earphone socket is provided on the wired control box, the earphone socket is configured as connection headset plug；High-pass filtering circuit is additionally provided in the wired control box, the high-pass filtering circuit is electrically connected the earphone socket and the terminating plug, the high-pass filtering circuit are configured as filtering out the low-frequency noise in ear microphone signal.The headset connector of the utility model, with terminating plug and wired control box, earphone socket is provided on wired control box, earphone and terminal device can be connected, headset connector is provided with high-pass filtering circuit, the low-frequency noise in microphone signal can be reduced, so as to be used when making an uproar there are wind, improves the speech quality of earphone.
Description
Technical field
The utility model is related to a kind of headset connectors.
Background technology
Currently, it is a kind of portable mode to carry out call using earphone, however, conventional earphone uses common silicon microphone
Or electret microphone, low frequency is straight, and speech quality is not high when having wind-force interference, especially influences outdoor use, wind
Even normal communication is seriously affected when big.During headset designs, wind can be reduced by reduction low frequency sensitivity and made an uproar
Influence, but the microphone price of sensitivity at low frequencies drop is very high, and production technology is affected to its performance, artificial to control
System is difficult or uncontrollable, will produce additional research and development and production cost.
In this regard, present applicant proposes a kind of headset connectors that can be improved speech quality, reduce noise.
Utility model content
Making an uproar in view of prior art earphone wind-engaging influences the not high problem of speech quality, it is proposed that a kind of ear of the utility model
Machine connector, to overcome the above problem or to solve the above problems at least partly.
To achieve the goals above, the utility model uses following technical solution：
A kind of headset connector, the headset connector include terminating plug, wired control box and the connection terminating plug and
The connecting line of the wired control box；
The terminating plug is configured as connection terminal device；
Earphone socket is provided on the wired control box, the earphone socket is configured as connection earphone；In the wired control box
It is provided with high-pass filtering circuit, the high-pass filtering circuit is electrically connected the earphone socket and the terminating plug, the high pass
Filter circuit is configured as filtering out the low-frequency noise in ear microphone signal.
Optionally, the high-pass filtering circuit includes：Filter capacitor；Described filter capacitor one end connects the earphone socket
Microphone signal end, the other end connects the microphone signal end of the terminating plug.
Optionally, the high-pass filtering circuit further includes：The single pole multiple throw regulation resistance different with multiple resistance values；
One end of the different regulation resistance of multiple resistance values is grounded；
The fixing end of the single pole multiple throw connects one end that the filter capacitor is connect with the terminating plug, described
The movable end of single pole multiple throw connects the other end of at most one regulation resistance in multiple regulation resistances.
Optionally, the high-pass filtering circuit further includes pull down resistor, and one end ground connection of the pull down resistor, the other end connects
Connect one end that the filter capacitor is connect with the earphone socket.
Optionally, volume amplifying circuit is additionally provided in the wired control box, the volume amplifying circuit is electrically connected the ear
Machine transplanting of rice seat and the terminating plug, the volume amplifying circuit, which is configured as amplifying the terminal device, is output to earphone speaker
Audio signal.
Optionally, the volume amplifying circuit includes L channel amplifying circuit and right channel amplifying circuit, the L channel
Amplifying circuit is identical with the structure of the right channel amplifying circuit.
Optionally, the volume amplifying circuit includes homophase input amplifier and capacitance, the capacitance series connection
Between the inverting input resistance and ground of the homophase input amplifier.
Optionally, it is provided with filtering voltage regulation capacitance between the power connector end and ground of the homophase input amplifier.
Optionally, the terminating plug includes 3.5mm plugs and/or Type-C plugs.
Optionally, the earphone socket includes 3.5mm sockets and/or Type-C sockets.
In conclusion the utility model has the beneficial effects that：
The headset connector of the utility model has terminating plug and wired control box, earphone socket is provided on wired control box, can
Earphone and terminal device are connected, and headset connector is provided with high-pass filtering circuit, the low frequency that can be reduced in microphone signal is made an uproar
Sound improves the speech quality of earphone so as to be used when making an uproar there are wind.
Description of the drawings
Fig. 1 is the utility model headset connector structural schematic diagram；
Fig. 2 is the circuit-line attachment structure schematic diagram of the utility model headset connector.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
The technical concept of the utility model is：A kind of headset connector is designed, there is terminating plug and is arranged in wired control box
On earphone socket have additional high-pass filtering circuit in headset connector so as to be electrically connected earphone and terminal device, can be with
It filters out the low frequency wind in microphone signal to make an uproar ingredient, to improve the speech quality of regular headset, use is portable, is particularly suitable for
Coordinate the outdoor use of earphone.
Fig. 1 is the utility model headset connector structural schematic diagram, as shown in Figure 1, a kind of headset connector, which connects
It includes terminating plug 1, wired control box 2 and the connecting line 3 for connecting terminating plug 1 and wired control box 2 to connect device.
Terminating plug 1 is configured as connection terminal device, which can be each Terminal Type for having call function
Equipment, such as mobile phone, tablet computer, the networking telephone or other personal computers etc. with Internet phone-calling function.
Earphone socket 21 is provided on wired control box 2, earphone socket 21 is configured as the headset plug of connection call earphone；Line
High-pass filtering circuit (not shown in figure 1) is additionally provided in control box 2, high-pass filtering circuit is electrically connected earphone socket 21 and terminal is inserted
First 1, it is configured as filtering out the low-frequency noise in ear microphone signal.
Fig. 2 is the electrical block diagram of the utility model headset connector, as shown in Fig. 2, the high-pass filtering circuit is set
It sets on the signal transmssion line of microphone signal, which specifically includes：Filter capacitor C7；The one end filter capacitor C7
The microphone signal end (ends MIC) of earphone socket 21 is connected, the other end connects the microphone signal end of terminating plug 1.
Certainly, Fig. 2 is only a kind of embodiment of the utility model high-pass filtering circuit, other kinds of high-pass filtering circuit
It can also be applied in the headset connector of the utility model, realize the filtering of signal Middle and low frequency noise ingredient, details are not described herein.
In some embodiments of the utility model, the high-pass filtering circuit of the utility model, which also has, adjusts frequency filtering
Function, with continued reference to Fig. 2, on the basis of the above embodiments, high-pass filtering circuit further includes：Single pole multiple throw K1 and more
The different regulation resistance of a resistance value.In the embodiment depicted in figure 2, the quantity of regulation resistance be two, including 1k ohm of R7 with
2k ohm of R8.
One end of the different regulation resistance of multiple resistance values is grounded.
One end that the fixing end connection filter capacitor C7 of single pole multiple throw K1 is connect with terminating plug 1, hilted broadsword are thrown out more
The movable end for closing K1 connects the other end of at most one regulation resistance in multiple regulation resistances.Pass through cutting for single pole multiple throw K1
One in multiple regulation resistances can connect by the effect of changing with filter capacitor C7, constitute RC filter circuits, different RC filtering
Circuit has different frequency filterings, in this way, by switching single pole multiple throw K1, so that it may to change the filter of high-pass filtering circuit
Wave frequency rate realizes different filter effects, to adapt to extraneous different environment.
For example, in the embodiment depicted in figure 2, single pole multiple throw K1 is single-pole three-throw switch, quiet ring is corresponded to respectively
Border, noisy environment and wind are made an uproar environment：The movable end of single pole multiple throw K1 is hanging when quiet environment, is only filtered by filter capacitor C7
Wave；When noisy environment, the movable end of single pole multiple throw K1 connects 2K ohm of regulation resistance R8, is made an uproar with more filtering out low frequency
Sound；Wind make an uproar environment when, noise is maximum, and the movable end of single pole multiple throw K1 connects 1K ohm of regulation resistance R7, with relatively
Say that maximum limit filters out low-frequency noise.Certainly, specific filter capacitor and regulation resistance parameter can be carried out according to noise level
Adjustment, is only an exemplary embodiment here, is not intended as the improper restriction to the application.Single pole multiple throw K1's stirs
Switch is stretched out from wired control box shell, and user can adjust noise reduction rank with portable operation according to local environment.
In some embodiments of the utility model, high-pass filtering circuit further includes pull down resistor (see R9 in Fig. 2), drop-down
One end of resistance R9 is grounded, one end that other end connection filter capacitor C7 is connect with earphone socket 21.Pull down resistor R9 realizes letter
The ground connection of number line adjusts current potential, it may have certain filter action.
In some embodiments of the utility model, volume amplifying circuit is additionally provided in wired control box 2 (see Fig. 2 circuit diagrams
It is shown), volume amplifying circuit is electrically connected earphone socket 21 and terminating plug 1, and volume amplifying circuit is configured as amplification terminal and sets
The standby audio signal for being output to earphone speaker.
During conventional earphone use, it is relatively low that part mobile phone is arranged the volume upper limit, for hobby heavy metal music or
Person likes the larger user of volume, and volume hardness index is limited, and sense of hearing is cannot be satisfied, alternatively, when environmental noise is larger,
It can be also disturbed when listening to music or converse using earphone.Therefore, the headset connector of the utility model is in filtering ear microphone
While signal, also increasing has volume amplifying circuit, to amplify the audio signal of user's needs, to meet user to big volume
The demand of broadcasting.In this way, the headset connector of the utility model not only can reduce microphone signal noise at end of speaking, but also can be with
The useful signal volume for improving callee solves influence of noise in call both-end, effectively improves the call experience of both call sides.
In some embodiments of the utility model, volume amplifying circuit includes L channel amplifying circuit (see L lines in Fig. 2
Road) and right channel amplifying circuit (see R circuits in Fig. 2), L channel amplifying circuit is identical with the structure of right channel amplifying circuit, rises
To same amplification effect.
In some embodiments of the utility model, (see L circuits in Fig. 2) by taking L channel as an example, volume amplifying circuit packet
Homophase input amplifier and capacitance C3 are included, capacitance C3 is connected on the inverting input resistance R2 of homophase input amplifier
Between ground.
As shown in Fig. 2, the homophase input amplifier specifically includes operational amplifier U1, resistance R1, resistance R2, resistance
One end of R3, capacitance C1 and capacitance C2, resistance R1 are audio signal input end, and connection terminating plug side, resistance R1's is another
The in-phase input end of end connection operational amplifier U1, one end of resistance R2 are grounded through capacitance C3, and the other end of resistance R2 connects
The inverting input of operational amplifier U1 is connect, one end of resistance R3 connects the inverting input of operational amplifier U1, resistance R3's
The other end connects the output end of operational amplifier U1.Certainly, embodiment illustrated in fig. 2 is only a kind of the basic of homophase input amplifier
The homophase input amplifier of structure, other improvements type may be used in the utility model, and details are not described herein.
In some embodiments of the utility model, filter is provided between the power connector end and ground of homophase input amplifier
Wave electric capacity of voltage regulation.Such as in embodiment illustrated in fig. 2, the both ends of homophase input amplifier connection power supply VCC and Vee pass through filter respectively
Wave electric capacity of voltage regulation C1 and C2 filtering voltage regulation improves the anti-interference ability of audio signal amplification process.
In some embodiments of the utility model, terminating plug 1 includes 3.5mm plugs and/or Type-C plugs, i.e.,：
Terminating plug 1 is designed with one or more, and different terminal devices can be adapted to when being provided with multiple and is used.Certainly, in addition to upper
It states outside type of plug, other kinds of plug construction can also be applied to the utility model, and details are not described herein.
In some embodiments of the utility model, earphone socket 21 includes 3.5mm sockets and/or Type-C sockets, i.e.,：
Earphone socket 21 is designed with one or more, and different earphones can be adapted to when being provided with multiple and is used.Certainly, it is inserted in addition to above-mentioned
Outside seat type, other kinds of socket structure can also be applied to the utility model, and details are not described herein.
Above description is only a specific implementation of the present invention, under the above-mentioned introduction of the utility model, this field
Technical staff can carry out other improvement or deformation on the basis of the above embodiments.It will be understood by those skilled in the art that
Above-mentioned specific descriptions only preferably explain the purpose of this utility model, and the scope of protection of the utility model should be with claim
Protection domain subject to.
Claims (12)
1. a kind of headset connector, which is characterized in that the headset connector includes terminating plug, wired control box and the connection end
Hold the connecting line of plug and the wired control box；
The terminating plug is configured as connection terminal device；
Earphone socket is provided on the wired control box, the earphone socket is configured as connection earphone；Setting in the wired control box
There are high-pass filtering circuit, the high-pass filtering circuit to be electrically connected the earphone socket and the terminating plug, the high-pass filtering
Circuit is configured as filtering out the low-frequency noise in ear microphone signal.
2. headset connector according to claim 1, which is characterized in that the high-pass filtering circuit includes：Filter capacitor；
Described filter capacitor one end connects the microphone signal end of the earphone socket, and the other end connects the microphone of the terminating plug
Signal end.
3. headset connector according to claim 2, which is characterized in that the high-pass filtering circuit further includes：Hilted broadsword is more
The throw switch regulation resistance different with multiple resistance values；
One end of the different regulation resistance of multiple resistance values is grounded；
The fixing end of the single pole multiple throw connects one end that the filter capacitor is connect with the terminating plug, the hilted broadsword
The movable end of multithrow switch connects the other end of at most one regulation resistance in multiple regulation resistances.
4. headset connector according to claim 2 or 3, which is characterized in that the high-pass filtering circuit further includes drop-down
Resistance, one end ground connection of the pull down resistor, the other end connect one end that the filter capacitor is connect with the earphone socket.
5. headset connector according to claim 1, which is characterized in that be additionally provided with volume amplification electricity in the wired control box
Road, the volume amplifying circuit is electrically connected the earphone socket and the terminating plug, the volume amplifying circuit are configured as
Amplify the audio signal that the terminal device is output to earphone speaker.
6. headset connector according to claim 5, which is characterized in that the volume amplifying circuit includes L channel amplification
Circuit and right channel amplifying circuit, the L channel amplifying circuit are identical with the structure of the right channel amplifying circuit.
7. headset connector according to claim 5, which is characterized in that the volume amplifying circuit includes that homophase input is put
Big device and capacitance, the capacitance are connected between the inverting input resistance and ground of the homophase input amplifier.
8. headset connector according to claim 7, which is characterized in that the power connector end of the homophase input amplifier
Filtering voltage regulation capacitance is provided between ground.
9. according to the headset connector described in any one of claim 1-3 and 5-8, which is characterized in that the terminating plug packet
Include 3.5mm plugs and/or Type-C plugs.
10. headset connector according to claim 4, which is characterized in that the terminating plug include 3.5mm plugs and/
Or Type-C plugs.
11. according to claim 1-3 and 5-8 any one of them headset connector, which is characterized in that the earphone socket includes
3.5mm sockets and/or Type-C sockets.
12. headset connector according to claim 4, which is characterized in that the earphone socket include 3.5mm sockets and/
Or Type-C sockets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007483.1U CN208079324U (en) | 2018-01-02 | 2018-01-02 | A kind of headset connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007483.1U CN208079324U (en) | 2018-01-02 | 2018-01-02 | A kind of headset connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208079324U true CN208079324U (en) | 2018-11-09 |
Family
ID=64034888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820007483.1U Active CN208079324U (en) | 2018-01-02 | 2018-01-02 | A kind of headset connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208079324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495814A (en) * | 2018-11-21 | 2019-03-19 | 广州市百果园信息技术有限公司 | Audio connector, acoustic signal processing method and audio signal processing |
-
2018
- 2018-01-02 CN CN201820007483.1U patent/CN208079324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495814A (en) * | 2018-11-21 | 2019-03-19 | 广州市百果园信息技术有限公司 | Audio connector, acoustic signal processing method and audio signal processing |
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