CN206042300U - Earphone that accessible audio interface charges - Google Patents

Abstract

The utility model discloses an earphone that accessible audio interface charges relates to electro -acoustic products technical field, including wearing and connecting respectively wear two phonation units at both ends, be equipped with audio interface on the phonation unit, be equipped with four binding post in the audio interface, one of them the microphone terminal of binding post for being connected with the microphone, a single -pole double -throw's main contacts is connected to microphone terminal electricity, single -pole double -throw's a branch contact electricity is connected the microphone, another branch contact electricity of single -pole double -throw is connected with DCDC boost, the DCDC boost electricity is connected with charging management module, the charging management module electricity is connected with battery and MCU. The utility model discloses earphone that accessible audio interface charges can charge through audio interface, while can listen the song to charge, great improvement the earphone convenience of charging.

Description

The earphone that can be charged by COBBAIF

Technical field

The utility model is related to electro-acoustic product technical field, more particularly to a kind of wear-type charged by COBBAIF Earphone.

Background technology

Earphone is a pair of converting units, and it receives the electric signal sent by media player or receiver, using pressing close to ear Piece phonation unit convert it into the sound wave that can be heard, be that the portable audio devices such as mobile phone, walkman are requisite Accessory.Headphone is a kind of earliest headset type, with the development of electronic technology, headphone because its function is more, Species obtains more and more extensive use more, and especially bluetooth earphone, active noise reduction earphone and WiFi earphones etc. are obtained for Develop well.As the function of headphone is more and more, the power consumption of following earphone also and then increases, because How this, reduce power consumption and charge for earphone having become an important ring in headset designs.

Generally, earphone is all charged by Micro USB interfaces, needs to be equipped with USB line and adapter during charging Or the equipment that PC etc. can be powered by USB, listen song very inconvenient when charging, while in some fields such as journey Conjunction also is difficult to find the equipment that can provide that USB powers so that earphone cannot be charged on the road.

Utility model content

For disadvantages described above, technical problem to be solved in the utility model is to provide one kind and can be charged by COBBAIF Earphone, this earphone can charge in Ting Ge, while can also be charged when no USB power supply units.

For solving above-mentioned technical problem, the technical solution of the utility model is：

A kind of earphone charged by COBBAIF, is sent out including wearing and being connected to wear two ends two Sound unit, the phonation unit are provided with COBBAIF, are provided with four binding posts, one of institute in the COBBAIF It is the microphone terminal being connected with microphone to state binding post；The microphone terminal electrically connects the master of a single-pole double-throw switch (SPDT) Contact, a point of contact of the single-pole double-throw switch (SPDT) electrically connect the microphone, another point of the single-pole double-throw switch (SPDT) Contact is electrically connected with DCDC boost chips, and the DCDC boost chips are electrically connected with charge management module, the Charge Management mould Block is electrically connected with battery and MCU.

Wherein, the single-pole double-throw switch (SPDT) electrically connects the MCU.

Wherein, Micro USB interfaces are additionally provided with the phonation unit, and the charge management module also electrically connects described Micro USB interfaces.

Wherein, binding post described in the other three inside the COBBAIF is respectively L channel terminal, R channel Terminal and ground terminal.

Wherein, the COBBAIF is 3.5mm COBBAIFs.

After employing above-mentioned technical proposal, the beneficial effects of the utility model are：

As the utility model can be by the microphone terminal electrical connection in the COBBAIF of the earphone of COBBAIF charging The main contacts of one single-pole double-throw switch (SPDT), point of contact electrical connection microphone of single-pole double-throw switch (SPDT), single-pole double-throw switch (SPDT) it is another One point of contact is electrically connected with DCDC boost chips, and DCDC boost chips are electrically connected with charge management module, charge management module It is electrically connected with battery and MCU.Earphone and audio frequency apparatus are connected by audio transiting wire, can be from the microphone bias of audio frequency apparatus Microphone terminal is connected by power supply power taking, control single-pole double-throw switch (SPDT) with DCDC boost chips, Mike's wind-powered electricity generation of audio frequency apparatus Source is connected to DCDC boost chips from the microphone terminal of earphone, voltage is risen to 5V by DCDC boost chips, then is filled by MCU controls Electric management module is charged to battery.The utility model earphone is realized logical by single-pole double-throw switch (SPDT) and DCDC boost chips Mike wind power supply power taking of the COBBAIF from audio frequency apparatus is crossed, so as to very easily be filled to earphone while song is listened Electricity, does not affect the broadcasting of earphone, greatly improves the convenience for using；Simultaneously in the occasion for not having USB power supply units, also may be used To be charged to earphone by audio frequency apparatus, such as the portable audio frequency apparatus such as mobile phone, earphone is solved in journey etc. The problem that cannot be charged during without USB power supply units.

In sum, the earphone that the utility model can be charged by COBBAIF solves earphone in prior art and charges not Convenient technical problem, the earphone that the utility model can be charged by COBBAIF can be charged by COBBAIF, can Song is listened while charging, greatly improve the convenience of earphone charging.

Description of the drawings

Fig. 1 is the structural representation of the earphone that the utility model can be charged by COBBAIF；

Fig. 2 is the schematic block circuit diagram of the earphone that the utility model can be charged by COBBAIF；

In figure：10th, wear, 20, phonation unit, 30, COBBAIF, 40, Micro USB interfaces.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is expanded on further.

As shown in figure 1, a kind of earphone charged by COBBAIF, including wearing 10, is worn 10 two ends and is respectively connected There is a phonation unit 20, one of phonation unit 20 is provided with COBBAIF 30, another phonation unit 20 is provided with Micro USB interfaces 40, COBBAIF 30 are 3.5mm COBBAIFs.

As shown in Fig. 2 being provided with four binding posts in COBBAIF 30, four terminals are respectively L channel terminal L, right sound Road terminal R, ground terminal G and microphone terminal M/P, four section audio transiting wires of this COBBAIF 30 by 3.5mm to 3.5mm It is connected with audio frequency apparatus.

As shown in Fig. 2 L channel terminal L and R channel terminal R electrically connect audio input circuit Line In, microphone Terminal M/P electrically connects the main contacts of a single-pole double-throw switch (SPDT) Switch, and a point of contact of single-pole double-throw switch (SPDT) Switch is electrically connected Microphone Mic is met, another point of contact of single-pole double-throw switch (SPDT) Switch electrically connects DCDC boost chips DCDC, DCDC boostings Chip DCDC is electrically connected with charge management module Charge Manager, and charge management module Charge Manager is electrically connected with Battery Battery, while charge management module Charge Manager also electrically connects MCU and Micro USB interfaces 40 (referring to figure 1).Charge management module Charge Manager can be by MCU control selections from DCDC boost chips DCDC or Micro USB interfaces Electricity is obtained to charge for battery Battery at 40.

As shown in Fig. 2 the preferred single-pole double-throw switch (SPDT) Switch of present embodiment is electronic switch, single-pole double-throw switch (SPDT) Switch also electrically connects MCU, controls which by MCU and microphone terminal M/P is connected DCDC boost chips DCDC or microphone Mic, So as to realize different functions.In practical application, single-pole double-throw switch (SPDT) Switch can also select mechanical switch, by manually Control carries out power and energy.

As shown in Fig. 2 operation principle of the present utility model is as follows：

Connect earphone and audio frequency apparatus by four section audio transiting wires, can be from the 2.7V microphone bias of audio frequency apparatus electricity Microphone terminal M/P is connected with DCDC boost chips DCDC, sound by source power taking by MCU control single-pole double-throw switch (SPDT) Switch Mike's wind power supply of frequency equipment is connected to DCDC boost chips DCDC from the microphone terminal M/P of earphone, by DCDC boost chips Voltage is risen to 5V by DCDC, then controls charge management module Charge Manager by MCU, makes charge management module Charge The charging input of Manager is made into the 5V voltages of DCDC boost chips DCDC output by Micro USB interfaces 40 (referring to Fig. 1), Charge for battery Battery, in charging process do not affect user normally music etc. to be listened using earphone.

From above-mentioned operation principle, single-pole double-throw switch (SPDT) and DCDC boost chip realization of the utility model by increase By COBBAIF from Mike's wind power supply power taking of audio frequency apparatus, so as to very easily can entering to earphone while song is listened Row charges, while in the occasion for not having USB to power, it is also possible to earphone is charged by audio frequency apparatuses such as mobile phones, greatly Improve the ease of use of earphone.

The utility model is not limited to above-mentioned specific embodiment, and one of ordinary skill in the art is visualized from above-mentioned Send out, without performing creative labour, a variety of conversion made, all fall within protection domain of the present utility model.

Claims (5)

1. the earphone that can be charged by COBBAIF, including wearing and be connected to two sounding lists for wearing two ends Unit, the phonation unit are provided with COBBAIF, are provided with four binding posts in the COBBAIF, connect described in one of those Line terminals are the microphone terminal being connected with microphone；Characterized in that, the microphone terminal electrically connects a single-pole double throw The main contacts of switch, a point of contact of the single-pole double-throw switch (SPDT) electrically connect the microphone, the single-pole double-throw switch (SPDT) Another point of contact is electrically connected with DCDC boost chips, and the DCDC boost chips are electrically connected with charge management module, described to fill Electric management module is electrically connected with battery and MCU.

2. it is according to claim 1 by COBBAIF charge earphone, it is characterised in that the single-pole double-throw switch (SPDT) Electrically connect the MCU.

3. the earphone charged by COBBAIF according to claim 2, it is characterised in that on the phonation unit also Micro USB interfaces are provided with, the charge management module also electrically connects the Micro USB interfaces.

4. the earphone that Tong Guo the COBBAIF according to claims 1 to 3 any claim charges, it is characterised in that Binding post described in the other three inside the COBBAIF is respectively L channel terminal, R channel terminal and earth terminal Son.

5. the earphone charged by COBBAIF according to claim 4, it is characterised in that the COBBAIF is 3.5mm COBBAIF.