CN107135440A - Earphone with outer playing function - Google Patents
Earphone with outer playing function Download PDFInfo
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- CN107135440A CN107135440A CN201710458922.0A CN201710458922A CN107135440A CN 107135440 A CN107135440 A CN 107135440A CN 201710458922 A CN201710458922 A CN 201710458922A CN 107135440 A CN107135440 A CN 107135440A
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- loudspeaker
- voltage
- earphone
- playing function
- pole double
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention provides a kind of earphone with outer playing function, including housing, earphone with outer playing function also includes the second loudspeaker for the first loudspeaker of ear-phone function and for outer playing function, and the first loudspeaker of control and the control device of the second loudspeaker selection work, the first loudspeaker and the second loudspeaker are arranged on two relative sides of housing.The present invention is by being provided for the first loudspeaker of ear-phone function and the second loudspeaker for outer playing function, first loudspeaker and the second loudspeaker can select work by control device, user is according to usage scenario and demand, when selecting the first speaker operation, earphone can be made to be worn similar to common headphones and used；When selecting the second speaker operation, earphone can be made to be used similar to common external loudspeaker, according to different situations, meet many-sided demand of user.
Description
Technical field
The present invention relates to earphone field, in particular to a kind of earphone with outer playing function.
Background technology
Earphone is compact, portable, easy to use, and other people are not interfered with when oneself is used, but for a long time using ear can be caused
Piece uncomfortable problem；Music sharing then can be achieved in external loudspeaker, does not wear earphone seemingly and uncomfortable pressure is caused to ear,
It is possible that being interfered to other people.Earphone and outgoing loudspeaker are each advantageous, also respectively have shortcoming, it is impossible to meet user's
Many-sided demand.
The content of the invention
The present invention is intended to provide a kind of meet the earphone with outer playing function that the many-sided needs of user are asked.
To achieve these goals, present invention employs following technical scheme：
The invention provides a kind of earphone with outer playing function, including housing, the earphone with outer playing function also includes
The first loudspeaker for ear-phone function and the second loudspeaker for outer playing function, and the first loudspeaker of control are raised with second
The control device of sound device selection work, the first loudspeaker and the second loudspeaker are arranged on two relative sides of housing.
Further, the inner chamber of housing forms back cavity cavity, and the first loudspeaker and the second loudspeaker share back cavity cavity.
Further, there is the first mounting hole, the first loudspeaker and the first mounting hole coordinate solid in the first side of housing
Determine and have the earplug portion extended to from the first mounting hole outside first side；In the housing second side relative with first side
Acoustic aperture is provided with out, the second loudspeaker correspondence goes out acoustic aperture and is fixed on the inner side of second side.
Further, the first loudspeaker and the second loudspeaker are arranged in pairs, and the earphone with outer playing function includes two pairs the
One loudspeaker and the second loudspeaker；Wherein, two the first loudspeakers design corresponding with the left and right ear of human body respectively.
Further, the earphone with outer playing function is wired earphone；The connecting line of wired earphone includes Earphone joint, uses
In the negative terminal for being respectively connected the negative pole of the negative pole of the first loudspeaker and the second loudspeaker with Earphone joint, and for dividing
The positive terminal that positive pole of the positive pole of the first loudspeaker and the second loudspeaker is not connected with Earphone joint；Control device is used to control
The break-make of negative terminal and/or positive terminal processed.
Further, control device includes being raised according to the input voltage of Earphone joint the first speaker operation of selection or second
The selection device of sound device work.
Further, positive terminal includes tie point and the second branch road；Selection device include first voltage comparator and
First single pole double throw analog is switched, and first voltage comparator is compared the voltage of positive terminal with the first predeterminated voltage U1, and
To comparative result；First single pole double throw analog switch selects positive terminal conducting tie point or second according to comparative result
Road；Wherein, Ua ＜ U1 ＜ Ub, Ua are the rated operational voltage of the first loudspeaker, and Ub is the rated operational voltage of the second loudspeaker；
When the voltage of positive terminal is more than or equal to the first predeterminated voltage U1, the first single pole double throw analog switch conduction second is triggered
Road, so that the second speaker operation；When the voltage of positive terminal is less than the first predeterminated voltage U1, the first single-pole double throw mould is triggered
Intend switch conduction tie point, so that the first speaker operation.
Further, the protection device of the second speaker operation is selected when control device is additionally included in Earphone joint power-off.
Further, positive terminal includes tie point and the second branch road, and tie point includes the first sub- branch road and second
Sub- branch road；
Selection device includes：First voltage comparator, first voltage comparator presets the voltage of positive terminal with first
Voltage U1 compares, and obtains the first comparative result；First single pole double throw analog is switched, and the first single pole double throw analog switch is according to the
One comparative result selection positive terminal conducting tie point or the second branch road；
Protection device includes：Second voltage comparator, second voltage comparator presets the voltage of tie point with second
Voltage U2 compares, and obtains the second comparative result；Second single pole double throw analog is switched, and the second single pole double throw analog switch is according to the
Two comparative results selection tie point turns on the first sub- branch road or the second sub- branch road；Protect electric capacity, the two ends difference of protection electric capacity
It is connected with positive terminal and negative terminal；
Wherein, 0 ＜ U2 ＜ Ua ＜ U1 ＜ Ub, Ua is the rated operational voltage of the first loudspeaker, and Ub is the second loudspeaker
Rated operational voltage；When the voltage of positive terminal is more than or equal to the first predeterminated voltage U1, the first single pole double throw analog is triggered
The branch road of switch conduction second, so that the second speaker operation；When the voltage of positive terminal is less than the first predeterminated voltage U1, triggering
First single pole double throw analog switch conduction tie point；And when the voltage of tie point is more than or equal to the second predeterminated voltage U2
When, second the first sub- branch road of single pole double throw analog switch conduction is triggered, so that the first speaker operation；And when tie point
When voltage is less than the second predeterminated voltage U2, second the second sub- branch road of single pole double throw analog switch conduction is triggered, so that second raises one's voice
Device works.
Further, the earphone with outer playing function also includes circuit box, protection electric capacity, first voltage comparator, first
Single pole double throw analog switch, second voltage comparator and the second single pole double throw analog switch are fixedly installed on inside circuit box.
According to the earphone with outer playing function of the present invention, including the first loudspeaker for ear-phone function and for putting outside
Second loudspeaker of function, the first loudspeaker and the second loudspeaker can be by control device selection work, and user is according to using field
Scape and demand, during the first speaker operation of selection, can be such that earphone is worn similar to common headphones and use；Select the second loudspeaker
During work, earphone can be made to be used similar to common external loudspeaker, according to different situations, meet many-sided need of user
Ask.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the first structure schematic diagram of the embodiment of the earphone with outer playing function according to the present invention；
Fig. 2 is the first circuit theory schematic diagram of the embodiment of the earphone with outer playing function according to the present invention；
Fig. 3 is the second circuit principle schematic of the embodiment of the earphone with outer playing function according to the present invention；
Fig. 4 is the second structural representation of the embodiment of the earphone with outer playing function according to the present invention；
Fig. 5 is the 3rd structural representation of the embodiment of the earphone with outer playing function according to the present invention；
Fig. 6 is the tertiary circuit principle schematic of the embodiment of the earphone with outer playing function according to the present invention.
Embodiment
A kind of prior art of earphone with outer playing function is：The loudspeaker of earphone can work as to be put SPK use and can work as pressure outside
Ear or cover ear RCV are used, and this kind of loudspeaker low frequency when as RCV can seriously drop, and have a strong impact on audio.
The present invention design concept be：SPK units are added in RCV systems, not the original RCV of shadow earphone audio
Can, and can realize it is outer put, improve Consumer's Experience, meet many-sided demand of user.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one
As shown in figure 1, a kind of earphone with outer playing function that first embodiment of the invention is provided includes：Housing 10, is used
The first loudspeaker 20 in ear-phone function and the second loudspeaker 30 for outer playing function, and the first loudspeaker 20 of control and the
Two loudspeakers 30 select the control device of work, and the first loudspeaker 20 and the second loudspeaker 30 are arranged on relative two of housing 10
On side.
As shown in figure 1, the earphone in the present embodiment is by being provided for the first loudspeaker 20 of ear-phone function and for outer
Second loudspeaker 30 of playing function, the first loudspeaker 20 and the second loudspeaker 30 can pass through control device selection work, Yong Hugen
According to usage scenario and demand, during selection the first loudspeaker 20 work, earphone can be made to be worn similar to common headphones and used；Selection
When second loudspeaker 30 works, earphone can be made to be used similar to common external loudspeaker, according to different situations, user is met
Many-sided demand.And two loudspeakers are set according to specific usage scenario and demand, meet the audio under different scenes
Need, improve Consumer's Experience.
Specifically, as shown in figure 1, in the first embodiment, housing 10 can use cylindrical cavity housing, in other implementations
In mode, housing 10 can also use other structures, it is only necessary to convenient to install two loudspeakers.Cylindrical cavity housing two ends
End face on be respectively arranged with a Receiver (abbreviation RCV, small-power loudspeaker, i.e. the first loudspeaker for ear-phone function)
With a Speaker (abbreviation SPK, power-type loudspeaker, i.e. the second loudspeaker 30 for outer playing function).
Usually, wired earphone earplug size is 10~20mm, in the size range SPK generally require a 1CC (=
1cm3) back cavity cavity；Earphone RCV generally requires higher low-frequency effect, therefore needs larger back cavity, and 1CC is fully met
RCV requirement.Thus, in the present embodiment, the inner chamber of cylindrical cavity housing forms back cavity cavity 11, and the first loudspeaker 20 with
Second loudspeaker 30 shares back cavity cavity 11, so as under size constraints, ensure that the size of back cavity cavity 11, improves
Low-frequency effect.Moreover, in the present embodiment, by sharing back cavity cavity 11, in guarantee back cavity cavity 11 in the case of 1CC, can expire
The size requirement of sufficient In-Ear Headphones.
More specifically, as shown in figure 1, be provided with the first mounting hole on the first side of housing 10, the first loudspeaker 20 and
One mounting hole coordinates fixed and has the earplug portion extended to from the first mounting hole outside first side, and earplug portion can put ear
Plug sleeve 21, realizes the design of In-Ear Headphones as shown in Figure 1.Namely in this embodiment, the first loudspeaker 20 (RCV) is selected
Leak outside horn designs, i.e., outside horn single body protrusion housing, so as to prevent RCV acoustic short circuits.First loudspeaker 20 and housing
The edge dispensing sealing of first mounting hole is fixed.
Correspondingly, acoustic aperture, the second loudspeaker 30 (SPK) correspondence are provided with out on second side relative with the first side of housing 10
Go out acoustic aperture to be fixed on the inner side of the second side by dispensing sealing, grid hole can be used by going out acoustic aperture, can also be by covering gold
Belong to net, realize the protection to the second loudspeaker 30, also make product more attractive.
Further, as shown in figure 1, the first loudspeaker 20 and the second loudspeaker 30 are arranged in pairs, with outer playing function
Earphone includes two pair of first loudspeaker 30 of loudspeaker 20 and second；Wherein, the left ear of two the first loudspeakers 20 respectively with human body
Design corresponding with auris dextra, can improve audio, realize stereo.It should be noted that the earphone of the present embodiment can also be used
The single-sided design of only a pair first loudspeakers 20 and the second loudspeaker 30, i.e., only left side is designed, or only right side is designed,
Or the design method of left-right universal, so as to meet different demands.
In the first embodiment, control device can use manual controlling switch, and manual controlling switch, which has, makes the
The first position of one loudspeaker 20 work and the second place for making the second loudspeaker 30 work, user more need, manually selected
Operating position, so as to realize different mode of operations.
It should be noted that earphone can use wired design, it would however also be possible to employ wireless design.In the first embodiment,
Earphone uses wired design, and the control device of wired earphone is generally located on earphone connecting line.Specifically, the connecting line of earphone
Including Earphone joint 50, for the negative pole of the negative pole of the first loudspeaker 20 and the second loudspeaker 30 and Earphone joint 50 to be connected respectively
The negative terminal connect, and for respectively by the positive pole of the positive pole of the first loudspeaker 20 and the second loudspeaker 30 and Earphone joint 50
The positive terminal of connection；Control device is used for the break-make for controlling negative terminal and/or positive terminal, so as to realize the first loudspeaker
20 or second loudspeaker 30 selection work.
Embodiment two
Second embodiment as shown in Figure 2, and unlike first embodiment, in a second embodiment, control device is adopted
For that can realize that the automaton automatically selected, i.e. control device include selecting according to the input voltage of Earphone joint
The selection device that first loudspeaker 20 works or the second loudspeaker 30 works, so as to realize when voltage of the access less than preset value
When, selection device selects the first speaker operation；When voltage of the access more than preset value, selection device selects the second loudspeaker
Work.
Specific above-mentioned selection device is come with monophonic circuit with reference to Fig. 2.In fig. 2, the positive terminal bag of monophonic circuit
Include the branch road 2 of tie point 1 and second；Selection device includes the single pole double throw analog of first voltage comparator 41 and first switch 42,
First voltage comparator 41 is compared the voltage of positive terminal with the first predeterminated voltage U1, and obtains comparative result；First hilted broadsword
Double-throw analog switch 42 selects the positive terminal conducting branch road 2 of tie point 1 or second according to comparative result, so as to realize that first raises
The loudspeaker 30 of sound device 20 or second selects work.
Specifically, in a second embodiment, the first predeterminated voltage U1 with by the first loudspeaker 20 (RCV) and the second loudspeaker
30 (SPK) type selecting determines that U1 should be slightly larger than the rated operational voltage of the first loudspeaker 20 (RCV), less than the second loudspeaker
30 (SPK) rated operational voltage.When the voltage of positive terminal is more than or equal to the first predeterminated voltage U1, the first hilted broadsword is triggered
Double-throw analog switch 42 turns on the second branch road 2, so that the second loudspeaker 30 works；Preset when the voltage of positive terminal is less than first
During voltage U1, the first single pole double throw analog of triggering switch 42 turns on tie point 1, so that the first loudspeaker 20 works.
The course of work of the single pole double throw analog of first voltage comparator 41 and first switch 42 is illustrated with reference to Fig. 2.
When Earphone joint 50 inserts signal source, first voltage comparator 41 compares input voltage.When voltage is more than or equal to U1,
Trigger single pole double throw analog switch 42 and connect the second branch road 2, the second loudspeaker 30 (SPK) is started working；When voltage is less than U1,
Single pole double throw analog switch 42 connects tie point 1, the work of the first loudspeaker 20 (RCV), so as to be realized according to signal source automatic
The loudspeaker of work is selected, it is easy to use, reliability can be also improved, prevents improper selection from causing the first loudspeaker 20 of low-power
(RCV) damage.It should be noted that in a second embodiment, the first loudspeaker 20 of the earphone for the function that band is put outside, second are raised
The mounting structure of the grade of sound device 30 is similar to first embodiment, will not be repeated here.
Embodiment three
3rd embodiment as shown in Figure 3, on the basis of second embodiment, control device adds Protective Design,
So as to further improve reliability, namely control device is additionally included in when Earphone joint is powered off and selects what the second loudspeaker 30 worked
Protection device.Pass through using cooperatively for selection device and protection device so that when Earphone joint disconnects, make earphone in off-position
The second speaker operation of lower acquiescence selection, so as to avoid causing RCV to damage during access high voltage next time.
Using cooperatively for above-mentioned selection device and protection device is described in detail with monophonic circuit with reference to Fig. 3.In Fig. 3
In, the positive terminal of monophonic circuit includes the branch road 2 of tie point 1 and second, and tie point 1 includes the first sub- branch road 3 and the
Two sub- branch roads 4；Such as second embodiment is similar, and selection device includes：First voltage comparator 41, first voltage comparator 41 will just
The voltage of pole wiring is compared with the first predeterminated voltage U1, and obtains the first comparative result；First single pole double throw analog switch 42, the
One single pole double throw analog switch 42 selects the positive terminal conducting branch road 2 of tie point 1 or second according to the first comparative result.
Protection device includes：Second voltage comparator 43, second voltage comparator 43 is by the voltage of tie point 1 and second
Predeterminated voltage U2 compares, and obtains the second comparative result；Second single pole double throw analog switch 44, the second single pole double throw analog switch
44 select tie point 1 to turn on the first sub- sub- branch road 4 of branch road 3 or the second according to the second comparative result；Protect electric capacity 45, protection electricity
The two ends for holding 45 are connected with positive terminal and negative terminal respectively, and protection electric capacity 45 charges when Earphone joint 50 connects signal source,
SPK and RCV are played a protective role；During 50 cut-off signal source of Earphone joint, protection electric capacity 45 can continue electric discharge, and there is provided the first electricity
The comparison voltage of comparator 41 and second voltage comparator 42 is pressed, and then it is single to trigger the first single pole double throw analog switch 42 and second
Dpdt double-pole double-throw (DPDT) analog switch 44, makes selected circuit be in a safe condition.
Specifically, in the third embodiment, the first predeterminated voltage U1 with by the first loudspeaker 20 (RCV) and the second loudspeaker
30 (SPK) type selecting determines that U1 should be slightly larger than the rated operational voltage of the first loudspeaker 20 (RCV), less than the second loudspeaker
30 (SPK) rated operational voltage.Second predeterminated voltage U2 choosing value is less times greater than 0.During work, when the voltage of positive terminal is big
When the first predeterminated voltage U1, the first single pole double throw analog of triggering switch 42 turns on the second branch road 2, so that second raises one's voice
Device 30 works；When the voltage of positive terminal is less than the first predeterminated voltage U1, the first single pole double throw analog of triggering switch 42 is turned on
Tie point 1；And when the voltage of tie point 1 is more than or equal to the second predeterminated voltage U2, trigger the second single pole double throw analog
Switch 44 turns on the first sub- branch road 3, so that the first loudspeaker 20 works；And preset when the voltage of tie point 1 is less than second
During voltage U2, the second single pole double throw analog of triggering switch 44 turns on the second sub- branch road 4, so that the second loudspeaker 30 works.
The operation principle of 3rd embodiment is illustrated with reference to Fig. 3.
(1) when Earphone joint 50 inserts signal source, first voltage comparator 41 compares input voltage, be more than when voltage or
When person is equal to the first predeterminated voltage U1, triggering single pole double throw analog switch 42 connects the second branch road 2, the second loudspeaker 30 (SPK)
Start working；When voltage is less than U1, single pole double throw analog switch 42 connects tie point 1, due to comparing by first voltage
The selection of device 41, the input voltage in tie point now is that, not over RCV rated operational voltages, second voltage compares
The input voltage in the contrast tie point of device 43, when voltage is more than or equal to the second preset value U2, triggers the second hilted broadsword
Double-throw analog switch 44 connects the first sub- branch road 3, and RCV starts working；When voltage is less than the second preset value U2, the second hilted broadsword is double
Throw analog switch 44 and connect the second sub- branch road 4, SPK starts working.
(2) when Earphone joint 50 pulls away signal source, protection electric capacity 45 starts electric discharge, makes first voltage comparator 41, the
When one single pole double throw analog switch 42, the single pole double throw analog of second voltage comparator 43 and second switch 44 work on a bit of
Between.Now voltage can slowly the first predeterminated voltage U1, the second predeterminated voltage U2, the sub- branch road 4 of tie point 1 and second turns on, prevents
Voltage is higher than RCV rated operational voltage and causes RCV to damage when only next time connects signal source.
Using above-mentioned design, following advantage is realized：
(1), the power of the earphone interface of different product is different, and some product earphone interfaces are access outside speaker work
's；And some product earphone interfaces are access wired earphone work.In the case of not knowing product earphone interface power, connect rashly
RCV can be burnt out by entering RCV.First voltage comparator 41 and the first single pole double throw analog switch 42 are introduced, can be according to Earphone joint
50 input voltage works to automatically select SPK or RCV, it is ensured that the multi-functional and its accuracy of the all-in-one.
(2) if, user's RCV normal works when using first, and Earphone joint 50 has been accessed for SPK works when reusing
The product of work, then the voltage in the product signal source significantly larger than RCV rated operational voltage is easily burnt out RCV.
To prevent the situation from occurring, in tie point 1, second voltage comparator 43 and the second single pole double throw analog are introduced
Switch 44, while introducing protection electric capacity 45 in way circuit.When Earphone joint 50 pulls away signal source, the type discharge of electric capacity 45 is protected
Electricity is for first voltage comparator 41, the first single pole double throw analog switch 42, the single-pole double throw of second voltage comparator 43 and second
Analog switch 44 works, and now voltage can be more and more lower；When voltage is less than the second predeterminated voltage U2, the second single pole double throw analog
Switch 44 can select the second sub- branch road 4 to turn on so that during the signal source of the larger voltage of access next time, high voltage will not be applied to
RCV, it is ensured that safety and reliability.
Preferably, in the third embodiment, the earphone with outer playing function also includes circuit box 60, protection electric capacity 45, the
One voltage comparator 41, the first single pole double throw analog switch 42, the single pole double throw analog of second voltage comparator 43 and second switch
44 are fixedly installed on inside circuit box 60.I.e. can be by protection electric capacity 45, first voltage comparator 41, the first single pole double throw analog
Switch 42, the single pole double throw analog of second voltage comparator 43 and second switch 44 are integrated on circuit boards, are then fitted into circuit
In box.In addition, as needed, volume adjustment device and microphone can also be provided with circuit box 60, so as to realize volume
Regulation and call.It should be noted that in the third embodiment, the first loudspeaker 20, second of the earphone for the function that band is put outside
The mounting structure of the grade of loudspeaker 30 is similar to first embodiment, will not be repeated here.
Example IV
Fourth embodiment as shown in Figure 4, and unlike first embodiment, in the fourth embodiment, earphone is wears
Pair the first loudspeaker 20 of formula earphone, i.e., two and the second loudspeaker 30 are connected by head beam 70.Headphone RCV sizes are generally
Φ 20mm~Φ 50mm.The size of headphone RCV and cavity is more than In-Ear Headphones, so being added in headphone
SPK is more easily realized.It is similar to 3rd embodiment scheme to first, increase SPK inside shell after the loudspeaker of headphone, control
Circuit processed copies In-Ear wired all-in-one scheme, introduces voltage comparator, single pole double throw analog switch and electric capacity etc., it is ensured that one
The multi-functional accuracy of body machine and security.Specific design is similar to 3rd embodiment with first, repeats no more.
Embodiment five
The 5th embodiment as shown in Figure 5 and Figure 6, and unlike first to fourth embodiment, the tool of the 5th embodiment
The earphone for having outer playing function is wireless headset.The other structures design such as the first loudspeaker 20, the second loudspeaker of 5th embodiment
30 etc. may be referred to first to fourth embodiment, will not be repeated here.
In the 5th embodiment, because wireless headset is internally provided with power supply, its SPK and RCV are provided by internal electric source, institute
Supply voltage is catered to so that voltage comparator and single pole double throw analog switch need not be introduced.As shown in fig. 6, user can pass through control
Switch S selection SPK or RCV work.Equal power amplifier PA amplified signals are to respective degrees in SPK and RCV circuits.Need
Bright, Fig. 6 is the circuit diagram of wear-type wireless headset, and In-Ear wireless earphone circuit figure is similar, only need to be by large scale
RCV is changed to suitable small size RCV.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of earphone with outer playing function, including housing (10), it is characterised in that the earphone with outer playing function is also
Including the first loudspeaker (20) for ear-phone function and the second loudspeaker (30) for outer playing function, and control described the
One loudspeaker (20) and second loudspeaker (30) select the control device of work, first loudspeaker (20) and described the
Two loudspeakers (30) are arranged on two relative sides of the housing (10).
2. the earphone according to claim 1 with outer playing function, it is characterised in that
The inner chamber of the housing (10) forms back cavity cavity (11), first loudspeaker (20) and second loudspeaker (30)
Share the back cavity cavity (11).
3. the earphone according to claim 2 with outer playing function, it is characterised in that
There is the first mounting hole, first loudspeaker (20) and first mounting hole in the first side of the housing (10)
Coordinate and fix and with the earplug portion extended to from first mounting hole outside the first side；
Acoustic aperture, second loudspeaker (30) are provided with out in the housing (10) second side relative with the first side
Go out acoustic aperture described in correspondence to be fixed on the inner side of the second side.
4. the earphone according to any one of claim 1 to 3 with outer playing function, it is characterised in that
First loudspeaker (20) and second loudspeaker (30) are arranged in pairs, and the earphone with outer playing function includes
Two pairs of first loudspeakers (20) and second loudspeaker (30)；Wherein, two first loudspeakers (20) respectively with
The left and right ear correspondence of human body is designed.
5. the earphone according to any one of claim 1 to 3 with outer playing function, it is characterised in that
The earphone with outer playing function is wired earphone；
The connecting line of the wired earphone include Earphone joint (50), for respectively will the negative pole of first loudspeaker (20) with
The negative terminal that the negative pole of second loudspeaker (30) is connected with the Earphone joint (50), and for respectively by described
The positive terminal that the positive pole of the positive pole of one loudspeaker (20) and second loudspeaker (30) is connected with the Earphone joint (50)；
The control device is used for the break-make for controlling the negative terminal and/or positive terminal.
6. the earphone according to claim 5 with outer playing function, it is characterised in that
The control device includes selecting the first loudspeaker (20) work or institute according to the input voltage of the Earphone joint
State the selection device of the second loudspeaker (30) work.
7. the earphone according to claim 6 with outer playing function, it is characterised in that
The positive terminal includes tie point (1) and the second branch road (2)；
The selection device includes first voltage comparator (41) and the first single pole double throw analog switch (42), the first voltage
Comparator (41) is compared the voltage of the positive terminal with the first predeterminated voltage U1, and obtains comparative result；Described first is single
Dpdt double-pole double-throw (DPDT) analog switch (42) selects the positive terminal to turn on the tie point (1) or described the according to the comparative result
Two branch roads (2)；
Wherein, Ua ＜ U1 ＜ Ub, Ua are the rated operational voltage of the first loudspeaker (20), and Ub is specified for the second loudspeaker (30)
Operating voltage；
When the voltage of the positive terminal is more than or equal to the first predeterminated voltage U1, the first single-pole double throw mould is triggered
Intend switch (42) and turn on second branch road (2), so that second loudspeaker (30) works；
When the voltage of the positive terminal is less than the first predeterminated voltage U1, the first single pole double throw analog switch is triggered
(42) tie point (1) is turned on, so that first loudspeaker (20) works.
8. the earphone according to claim 6 with outer playing function, it is characterised in that
The control device selects the protection device of the second loudspeaker (30) work when being additionally included in Earphone joint power-off.
9. the earphone according to claim 8 with outer playing function, it is characterised in that
The positive terminal includes tie point (1) and the second branch road (2), and the tie point (1) includes the first sub- branch road (3)
With the second sub- branch road (4)；
The selection device includes：
First voltage comparator (41), the first voltage comparator (41) is default electric by the voltage of the positive terminal and first
Pressure U1 compares, and obtains the first comparative result；
First single pole double throw analog switchs (42), and the first single pole double throw analog switch (42) is according to first comparative result
The positive terminal is selected to turn on the tie point (1) or second branch road (2)；
The protection device includes：
Second voltage comparator (43), the second voltage comparator (43) is pre- by the voltage of the tie point (1) and second
If voltage U2 compares, and obtains the second comparative result；
Second single pole double throw analog switchs (44), and the second single pole double throw analog switch (44) is according to second comparative result
The tie point (1) is selected to turn on the first sub- branch road (3) or the second sub- branch road (4)；
Electric capacity (45) is protected, the two ends of the protection electric capacity (45) are connected with the positive terminal and negative terminal respectively；
Wherein, 0 ＜ U2 ＜ Ua ＜ U1 ＜ Ub, Ua is the rated operational voltage of the first loudspeaker (20), and Ub is the second loudspeaker
(30) rated operational voltage；
When the voltage of the positive terminal is more than or equal to the first predeterminated voltage U1, the first single-pole double throw mould is triggered
Intend switch (42) and turn on second branch road (2), so that second loudspeaker (30) works；
When the voltage of the positive terminal is less than the first predeterminated voltage U1, the first single pole double throw analog switch is triggered
(42) tie point (1) is turned on；And when the voltage of tie point (1) is more than or equal to the second predeterminated voltage U2,
Trigger the second single pole double throw analog switch (44) and turn on the first sub- branch road (3), so that first loudspeaker (20)
Work；And when the voltage of tie point (1) is less than the second predeterminated voltage U2, trigger second single pole double throw analog
Switch (44) and turn on the second sub- branch road (4), so that second loudspeaker (30) works.
10. the earphone according to claim 9 with outer playing function, it is characterised in that
The earphone with outer playing function also includes circuit box (60), the protection electric capacity (45), first voltage comparator
(41), the first single pole double throw analog switch (42), second voltage comparator (43) and the second single pole double throw analog switch (44) are solid
Surely it is arranged on the circuit box (60) internal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458922.0A CN107135440B (en) | 2017-06-16 | 2017-06-16 | Earphone with function of putting outward |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458922.0A CN107135440B (en) | 2017-06-16 | 2017-06-16 | Earphone with function of putting outward |
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| Publication Number | Publication Date |
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| CN107135440A true CN107135440A (en) | 2017-09-05 |
| CN107135440B CN107135440B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710458922.0A Active CN107135440B (en) | 2017-06-16 | 2017-06-16 | Earphone with function of putting outward |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201197140Y (en) * | 2008-04-23 | 2009-02-18 | 符诗华 | Wireless playing headphone |
| US20100067714A1 (en) * | 2008-09-16 | 2010-03-18 | Kuo-Shu Cheng | Headphones switchable to a sound box mode of operation |
| CN102137317A (en) * | 2011-03-29 | 2011-07-27 | 南京大学 | Earphone having earphone mode and speaker mode |
| CN102325283A (en) * | 2011-07-27 | 2012-01-18 | 中兴通讯股份有限公司 | Earphone, user equipment and audio data output method |
| CN103581788A (en) * | 2013-10-21 | 2014-02-12 | 宁波艾克赛尔电子有限公司 | Headphone |
| CN103607675A (en) * | 2013-10-22 | 2014-02-26 | 宁波艾克赛尔电子有限公司 | Headset with externally-playing function |
| CN104185111A (en) * | 2014-09-17 | 2014-12-03 | 太仓泰邦电子科技有限公司 | Headset capable of playing music externally |
| CN106604166A (en) * | 2016-11-16 | 2017-04-26 | 深圳天珑无线科技有限公司 | Dual-mode earphone |
| CN207340110U (en) * | 2017-06-16 | 2018-05-08 | 歌尔科技有限公司 | Earphone with outer playing function |
-
2017
- 2017-06-16 CN CN201710458922.0A patent/CN107135440B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201197140Y (en) * | 2008-04-23 | 2009-02-18 | 符诗华 | Wireless playing headphone |
| US20100067714A1 (en) * | 2008-09-16 | 2010-03-18 | Kuo-Shu Cheng | Headphones switchable to a sound box mode of operation |
| CN102137317A (en) * | 2011-03-29 | 2011-07-27 | 南京大学 | Earphone having earphone mode and speaker mode |
| CN102325283A (en) * | 2011-07-27 | 2012-01-18 | 中兴通讯股份有限公司 | Earphone, user equipment and audio data output method |
| CN103581788A (en) * | 2013-10-21 | 2014-02-12 | 宁波艾克赛尔电子有限公司 | Headphone |
| CN103607675A (en) * | 2013-10-22 | 2014-02-26 | 宁波艾克赛尔电子有限公司 | Headset with externally-playing function |
| CN104185111A (en) * | 2014-09-17 | 2014-12-03 | 太仓泰邦电子科技有限公司 | Headset capable of playing music externally |
| CN106604166A (en) * | 2016-11-16 | 2017-04-26 | 深圳天珑无线科技有限公司 | Dual-mode earphone |
| CN207340110U (en) * | 2017-06-16 | 2018-05-08 | 歌尔科技有限公司 | Earphone with outer playing function |
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| Publication number | Publication date |
|---|---|
| CN107135440B (en) | 2023-09-15 |
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