CN206024047U - A kind of earphone - Google Patents
A kind of earphone Download PDFInfo
- Publication number
- CN206024047U CN206024047U CN201620868733.1U CN201620868733U CN206024047U CN 206024047 U CN206024047 U CN 206024047U CN 201620868733 U CN201620868733 U CN 201620868733U CN 206024047 U CN206024047 U CN 206024047U
- Authority
- CN
- China
- Prior art keywords
- module
- functional circuit
- earphone
- voltage
- circuit module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Headphones And Earphones (AREA)
Abstract
The utility model discloses a kind of earphone, including headset body, voltage transformation module and at least one functional circuit module, headset body includes that Type C plugs, voltage transformation module are arranged to provide to corresponding functional circuit module the voltage conversion that the VBUS stitch of Type C plugs is provided for the supply voltage that each functional circuit module needs.Different types of power supply can be provided by voltage transformation module, supply voltage is provided to each functional circuit module, it is ensured that the normal work of functional circuit module.
Description
Technical field
The utility model is related to earphone field, more specifically, the utility model is related to one kind is provided with voltage transformation module
Earphone.
Background technology
When the feature earphone (such as heart rate detection earphone, noise cancelling headphone) of Type-C interfaces works, offer is needed to have not
Ability with species power supply to meet the chip normal work of different power voltage, such as noise reduction chip, heart rate detection chip and its
His control chip etc., the operating voltage of these functional chips may be different, it is therefore proposed that one kind can pass through headset plug to work(
The earphone that energy circuit module is powered is very valuable.
Utility model content
One purpose of the utility model embodiment is to provide a kind of earphone for being provided with voltage transformation module.
According to first aspect of the present utility model, there is provided a kind of earphone, including headset body, voltage transformation module and extremely
The functional circuit module that a few non-5V powers, the headset body include that Type-C plugs, the voltage transformation module are set
It is power supply that each functional circuit module needs to be set to the voltage conversion that the VBUS stitch of the Type-C plugs is provided
Voltage is provided to corresponding functional circuit module.
Optionally, there is the earphone functional circuit module that powers less than 5V, the voltage transformation module to be set
For being the function electricity that powers less than 5V by the voltage conversion that the VBUS stitch of the Type-C plugs is provided by DC/DC converters
The supply voltage that road module needs is provided to corresponding functional circuit module.
Optionally, there is the earphone functional circuit module that powers more than 5V, the voltage transformation module to be set
For being the functional circuit that powers more than 5V by the voltage conversion that the VBUS stitch of the Type-C plugs is provided by booster circuit
The supply voltage that module needs is provided to corresponding functional circuit module.
Optionally, the earphone also includes the functional circuit module that 5V powers, and the earphone is arranged to will be described
The voltage that the VBUS stitch of Type-C plugs is provided is provided directly to the functional circuit module that the 5V powers.
Optionally, the functional circuit module is included in noise reduction module, heart rate detection module and camera model at least
A kind of.
Optionally, the voltage transformation module is arranged in the Type-C plugs.
Optionally, the earphone is provided with the master control borad being connected on earphone cord, and the functional circuit module is arranged on
On the circuit board of the master control borad.
Optionally, at least partly the functional circuit module is arranged on the receiver of the earphone.
A beneficial effect of the present utility model is that earphone of the present utility model includes headset body, voltage conversion mould
Block and at least one functional circuit module, headset body include that Type-C plugs, voltage transformation module are arranged to Type-C
The voltage that the VBUS stitch of plug is provided carries out voltage conversion, provides supply voltage for each functional circuit module, by voltage
Modular converter can provide different types of power supply, to provide supply voltage to each functional circuit module, it is ensured that functional circuit
The normal work of module.
Description of the drawings
Combined in the description and the accompanying drawing of the part that constitutes specification shows embodiment of the present utility model, and
And illustrate to be used for explaining principle of the present utility model together with which.
Fig. 1 is a kind of circuit theory diagrams of the embodiment according to a kind of earphone of the present utility model.
Description of reference numerals：
J1-Type-C plugs；U1- voltage transformation modules；
U2, U3- functional circuit module；MIC- microphones；
The left otaphones of LE-；RE- auris dextra receivers；
L- L channel lines；R- R channel lines；
M- microphone lines；G- ground wires；
V- power lines；VCC1, VCC2- supply voltage；
R1, R2, R3, R4- resistance；C1- electric capacity.
Specific embodiment
Describe various exemplary embodiments of the present utility model now with reference to accompanying drawing in detail.It should be noted that：Unless another
Illustrate outward, the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments is not limited
Make scope of the present utility model.
It is illustrative below to the description only actually of at least one exemplary embodiment, never as to this practicality
New and its application or any restriction for using.
For known to person of ordinary skill in the relevant, technology, method and apparatus may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered a part for specification.
In all examples of shown here and discussion, any occurrence should be construed as merely exemplary, and not
It is as restriction.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then which need not be further discussed in subsequent accompanying drawing.
The utility model different may be asked for the operating voltage for solving the functional circuit module in existing capability earphone
A kind of topic, it is proposed that earphone for being provided with voltage transformation module.As shown in figure 1, including headset body, voltage transformation module U1 and
At least one functional circuit module, headset body includes Type-C plug J1, the earphone cord drawn by Type-C plugs, microphone
MIC, left otaphone LE and auris dextra receiver RE.
The basic structure of Type-C interfaces will be first explained below.
The maximum feature of Type-C interfaces is supported from insertable " positive anti-plug " function of tow sides, its A face and B faces
Respectively there are 12 stitch, the arrangement of each stitch is as shown in table 1：
Table 1：
Wherein, TX1+, TX1-, RX1+, RX1-, TX2+, TX2-, RX2+, RX2- are four pairs of differential signal stitch, and GND is
Ground pin, D+, D- are the USB differential signal stitch for compatible USB2.0, and VBUS is power supply stitch, CC1, CC2 be for
Detect positive anti-plug, distinguish the stitch of principal and subordinate, configuration voltage of VBUS etc., SBU1, SBU2 are bus stitch.
Earphone cord includes L channel line L, R channel line R, microphone lines M, power line V and ground wire G, and earphone cord is by L channel
Line L, R channel line R, microphone lines M, power line V and ground wire G are encapsulated in same insulator sheath, the positive pole of microphone MIC
Microphone lines M, negative pole and ground wire G connections are connected to through biasing resistor R1, resistance R2 between microphone lines M and ground wire G, is connected with,
For recognizing that earphone model, electronic device terminal recognize the model of earphone by the resistance of detection resistance R2, and according to earphone
Model by power supply from the VBUS stitch on Type-C plugs to earphone transmission corresponding power.The positive pole of left otaphone is through left sound
Diatom L is connected with the D- stitch of Type-C plugs, negative pole and ground wire G connections, the positive pole of auris dextra receiver through R channel line R with
The D+ stitch connection of Type-C plugs, negative pole and ground wire G connections.The SBU1 stitch of Type-C plugs is connected with microphone lines M,
SBU2 stitch is connected with ground wire G, and every GND stitch is connected with ground wire G, and every VBUS stitch is connected with power line V.Its
In, electric capacity C1 is connected between power line V and ground wire G, the effect with decoupling filtering.It is installed in the decoupling of the power end of element
Electric capacity C1, it is provided that more stable power supply, while the noise that element is coupled to power end can also be reduced, can be reduced indirectly
Other elements are affected by this element noise.
Two CC stitch of Type-C plugs are grounded through a pull down resistor, and wherein, CC1 stitch is grounded through resistance R3, CC2
Stitch is grounded through resistance R4, and so, the electronic equipment being connected with earphone is detected by the resistance of detection CC stitch pull down resistors
Positive anti-plug, differentiation principal and subordinate, configuration voltage of VBUS etc..
The voltage conversion that voltage transformation module U1 is arranged to provide the VBUS stitch of Type-C plugs is each function
The supply voltage that circuit module needs is provided to corresponding functional circuit module.Wherein, the VBUS stitch of Type-C plugs is provided
Voltage be generally 5V.
Specifically, the utility model earphone can have functional circuit module U2 that powers less than 5V, voltage transformation module
It is to power less than 5V that U1 is arranged by linear voltage regulator chip by the voltage conversion of the VBUS stitch offer of Type-C plugs
Functional circuit module need supply voltage provide to corresponding functional circuit module.
In a specific embodiment of the present utility model, the supply voltage VCC1 of functional circuit module U2 can be
3.3V, it is 3.3V that this is accomplished by the 5V voltage conversions that the VBUS stitch of Type-C plugs provides by voltage transformation module U1, can be with
Realized by linear voltage regulator chip, transistor or FET of the linear voltage regulator using operation in its range of linearity, from application
Input voltage in deduct the voltage of excess, produce the output voltage through overregulating.So, voltage transformation module U1 can just be carried
Functional circuit module U2 that supplies voltage to for 3.3V is powered, it is ensured that functional circuit module U2 being capable of normal work.
Further, the utility model earphone can also have functional circuit module U3 that powers more than 5V, voltage conversion
It is to power more than 5V that module U1 is arranged by DC/DC converters by the voltage conversion of the VBUS stitch offer of Type-C plugs
Functional circuit module need supply voltage provide to corresponding power supply circuits module.
In another specific embodiment of the present utility model, the supply voltage VCC2 of functional circuit module U3 can be
12V, it is 12V, Ke Yitong that this is accomplished by voltage transformation module U1 by the 5V voltage conversions of the VBUS stitch offer of Type-C plugs
Cross booster circuit to realize, booster circuit is using electronic components such as Bootstrap diode, Bootstrap electric capacity, puts electric capacity
Piezoelectric voltage and supply voltage superposition, so that voltage is raised. and the elevated voltage of the circuit that has can reach several times supply voltage.This
Sample, voltage transformation module U1 can just provide functional circuit module U3 that supplies voltage to of 12V and power, it is ensured that functional circuit module
U3 being capable of normal work.
In the 3rd specific embodiment of the present utility model, earphone also includes the functional circuit module that 5V powers, due to
The voltage that the VBUS stitch of Type-C plugs is provided is 5V, and the voltage of VBUS stitch offer therefore needs not move through voltage conversion
Module U1 carries out voltage conversion, it becomes possible to directly power for the functional circuit module that 5V powers.Earphone just can be configured so that by
The voltage that the VBUS stitch of Type-C plugs is provided is provided directly to the functional circuit module that 5V powers, and its concrete connected mode is
The power input of the functional circuit module that the VBUS stitch of Type-C plugs is powered with 5V is connected.
Specifically, above-mentioned functions circuit module can include the functions such as noise reduction module, heart rate detection module and camera model
At least one in module.
In order to avoid affecting earphone attractive in appearance, and make it even easier to realize, voltage transformation module U1 can be arranged on Type-
In C plugs, if the utility model earphone is provided with the master control borad being connected on earphone cord, voltage transformation module U1 can also set
Put on the circuit board of master control borad.
Further, functional circuit module can also be arranged on the circuit board of master control borad.
If at least one functional circuit module of the utility model earphone is noise reduction module, then noise reduction module can set
Put on the receiver of earphone.
The description of the various embodiments described above primary focus and the difference of other embodiment, but those skilled in the art should be clear
Chu, the various embodiments described above can be used alone as needed or be combined with each other.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that example above is merely to illustrate, rather than in order to limit scope of the present utility model.This
Field it is to be understood by the skilled artisans that can be in the case of without departing from scope and spirit of the present utility model, to above example
Modify.Scope of the present utility model is defined by the following claims.
Claims (8)
1. a kind of earphone, it is characterised in that including the function electricity that headset body, voltage transformation module and at least one non-5V power
Road module, the headset body include that Type-C plugs, the voltage transformation module are arranged to the Type-C plugs
The voltage conversion that VBUS stitch is provided is provided to corresponding function electricity for the supply voltage that each functional circuit module needs
Road module.
2. earphone according to claim 1, it is characterised in that the earphone has the functional circuit mould that powers less than 5V
Block, the voltage transformation module are arranged by the electricity that the VBUS stitch of the Type-C plugs is provided by DC/DC converters
Pressure is converted to the supply voltage needed less than the functional circuit module that 5V powers and provides to corresponding functional circuit module.
3. earphone according to claim 1 and 2, it is characterised in that the earphone has the functional circuit that powers more than 5V
Module, the voltage transformation module are arranged by the voltage that the VBUS stitch of the Type-C plugs is provided by booster circuit
Be converted to the supply voltage needed more than the functional circuit module that 5V powers to provide to corresponding functional circuit module.
4. earphone according to claim 1, it is characterised in that the earphone also includes the functional circuit module that 5V powers,
The earphone is arranged to for the voltage that the VBUS stitch of the Type-C plugs is provided to be provided directly to the work(that the 5V powers
Can circuit module.
5. earphone according to claim 1, it is characterised in that the functional circuit module includes noise reduction module, heart rate inspection
At least one in surveying module and camera model.
6. earphone according to claim 1, it is characterised in that the voltage transformation module is arranged on the Type-C plugs
Interior.
7. earphone according to claim 1, it is characterised in that the earphone is provided with the master control being connected on earphone cord
Plate, the functional circuit module are arranged on the circuit board of the master control borad.
8. earphone according to claim 1, it is characterised in that at least partly the functional circuit module is arranged on the ear
On the receiver of machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620868733.1U CN206024047U (en) | 2016-08-11 | 2016-08-11 | A kind of earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620868733.1U CN206024047U (en) | 2016-08-11 | 2016-08-11 | A kind of earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206024047U true CN206024047U (en) | 2017-03-15 |
Family
ID=58248464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620868733.1U Active CN206024047U (en) | 2016-08-11 | 2016-08-11 | A kind of earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206024047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874704A (en) * | 2017-05-12 | 2018-11-23 | 展讯通信（上海）有限公司 | Usb circuit and electronic equipment |
| CN109672950A (en) * | 2017-10-13 | 2019-04-23 | 华为终端（东莞）有限公司 | A kind of power-saving circuit and electricity saving method based on Type-C earphone |
-
2016
- 2016-08-11 CN CN201620868733.1U patent/CN206024047U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874704A (en) * | 2017-05-12 | 2018-11-23 | 展讯通信（上海）有限公司 | Usb circuit and electronic equipment |
| CN108874704B (en) * | 2017-05-12 | 2019-12-13 | 展讯通信（上海）有限公司 | USB interface circuit and electronic equipment |
| CN109672950A (en) * | 2017-10-13 | 2019-04-23 | 华为终端（东莞）有限公司 | A kind of power-saving circuit and electricity saving method based on Type-C earphone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2863652B1 (en) | Audio interface self-adaptation device | |
| CN103379401B (en) | Power supply system, electronic installation and the earphone supply lead powered by earphone interface | |
| CN104239240A (en) | Electronic device with universal serial bus (USB) interface with integration function | |
| CN206024047U (en) | A kind of earphone | |
| CA2839475A1 (en) | Audio signal adapter device | |
| CN103682724A (en) | Mobile terminal, earphone seat of mobile terminal and charging wire of mobile terminal | |
| CN106658328B (en) | A kind of earphone test circuit | |
| CN205790839U (en) | A kind of earphone joint | |
| CN208623545U (en) | A kind of power supply system | |
| CN212628411U (en) | Bone conduction hearing aid | |
| CN105450191A (en) | Dual-line silicon microphone amplifier | |
| CN103902247A (en) | Method for converting interface mode and electronic devices | |
| CN202841485U (en) | Audio-interface identification circuit and user device | |
| CN209805401U (en) | Charging overvoltage protection device, earphone and sound box | |
| CN105977740A (en) | Earphone adapter | |
| CN102695109B (en) | Earphone with automatic sensing function | |
| CN203015089U (en) | Earphone plug converter | |
| CN112073885A (en) | Bone conduction hearing aid | |
| CN203896486U (en) | Audio transmission device | |
| CN104010260A (en) | Two-line MEMS microphone | |
| CN110690757A (en) | Data monitoring device of electric power transmission and distribution system | |
| CN104581598B (en) | System and method for transducer interface | |
| CN212963677U (en) | Noise monitoring circuit and device | |
| CN205158347U (en) | A on -vehicle wireless data terminal of AUX interface and power supply interface is provided | |
| CN204362301U (en) | A kind of two line MEMS microphone and earphones |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |