CN102695109A - Earphone with automatic sensing function - Google Patents
Earphone with automatic sensing function Download PDFInfo
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- CN102695109A CN102695109A CN2012102179943A CN201210217994A CN102695109A CN 102695109 A CN102695109 A CN 102695109A CN 2012102179943 A CN2012102179943 A CN 2012102179943A CN 201210217994 A CN201210217994 A CN 201210217994A CN 102695109 A CN102695109 A CN 102695109A
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Abstract
The invention belongs to the field of electronic products, in particular relates to an earphone with an automatic sensing function. The earphone comprises an earphone plug, a sensing unit, a first switching unit, a second switching unit, a microphone unit, a control unit and an earphone unit, wherein the earphone plug is connected with a jack and is used for receiving a direct-current power supply signal, a grounding signal and an alternating-current sound signal; the sensing unit is respectively connected with the earphone plug, the first switching unit, the second switching unit and the microphone unit; and the control unit is respectively connected with a first switching unit, the second switching unit and the earphone unit and is used for controlling the first switching unit and the second switching unit to be in a conducting state or a stopping state; and the earphone unit is connected with the control unit through an earphone plug and is used for receiving the alternating-current sound signal and the grounding signal from the control unit. The earphone with the automatic sensing function, disclosed by the invention, is not limited by signal configuration of an earphone socket and is universally applied to various electronic devices.
Description
Technical field
The invention belongs to the electronic product field, particularly a kind of earphone with Auto-Sensing function.
Background technology
Earphone is a kind of voice output, and through earphone, the user can leave alone under other people's the situation, receives voice signal.Therefore, many electronic installations are equipped with earphone socket, to pass through the earphone output sound.
Earphone can be divided into two kinds of three-section type and four joint formulas according to the difference of its joint.Four joint formula earphones comprise two loud speakers (left and right acoustic channels), microphone and earth terminal; The three-section type earphone then only comprises two loud speakers (left and right acoustic channels) and earth terminal.
Yet, because each tame manufacturer hobby is different, relatively in the signal configures of earphone socket also disunity; Therefore the user is when choosing electronic installation; The earphone that often need select former factory to provide, in order to avoid the difference on the signal configures of earphone and the situation that causes earphone can't cooperate electronic installation to use takes place, therefore; The user will be subject to former factory choosing on the earphone, and can't choose the earphone of hobby.
Summary of the invention
The invention provides a kind of earphone, be intended to solve the problem that causes earphone can't cooperate electronic installation to use owing to the difference in the earphone signal configuration in the prior art with Auto-Sensing function.
The embodiment of the invention is to realize like this; A kind of earphone with Auto-Sensing function; Be used to detect the dc power signal and the ground signalling of electronic installation jack; Said jack also comprises the hum tone signal, and said earphone with Auto-Sensing function comprises headset plug, detecting unit, first switch element, second switch unit, microphone unit, control unit and headphone unit, and said headset plug is connected with said jack; Receive dc power signal, ground signalling and hum tone signal; Said detecting unit control links to each other with microphone unit with headset plug, first switch element, second switch unit respectively, and said control unit links to each other with headphone unit with first switch element, second switch unit respectively, and controlling first switch element and second switch unit is conducting state or cut-off state; Said headphone unit is connected with headset plug with control unit, receives the hum tone signal and from the ground signalling of said control unit.
The technical scheme of the embodiment of the invention also comprises: said detecting unit comprises first input end, second input, dc power output end and ground connection output; Said first input end links to each other with first switch element with headset plug respectively, receives one of them signal of dc power signal and ground signalling; Said second input links to each other with the second switch unit with headset plug respectively, receives one of them signal of dc power signal and ground signalling; Said dc power output end links to each other with microphone unit one end; Said ground connection output links to each other with the microphone unit other end.
The technical scheme of the embodiment of the invention also comprises: said detecting unit detects first input end and receives ground signalling, and control unit is made as conducting state with first switch element, and the second switch unit is made as cut-off state.
The technical scheme of the embodiment of the invention also comprises: said detecting unit detects second input and receives ground signalling, and control unit is made as cut-off state with first switch element, and the second switch unit is made as conducting state.
The technical scheme of the embodiment of the invention also comprises: said detecting unit also comprises:
First diode, its positive pole is connected with first input end, and negative pole is connected with dc power output end;
Second diode, its positive pole is connected with second input, and negative pole is connected with dc power output end;
The 3rd diode, its positive pole is connected with this ground connection output, and negative pole is connected with first input end; With
The 4th diode, its positive pole is connected with the ground connection output, and negative pole is connected with second input.
The technical scheme of the embodiment of the invention also comprises: said first input end receives dc power signal; Second input receives ground signalling; The first diode cathode voltage is greater than the cathode voltage of first diode; And surpass the conducting voltage of first diode, said dc power signal will be exported from said dc power output end through first diode; The cathode voltage of said the 4th diode is less than the cathode voltage of the 4th diode, and less than the conducting voltage of the 4th diode, said ground signalling will be exported from said ground connection output through the 4th diode.
The technical scheme of the embodiment of the invention also comprises: said first input end receives this ground signalling; Said second input receives dc power signal; The cathode voltage of said second diode is greater than the cathode voltage of second diode; And the conducting voltage that surpasses second diode, said dc power signal is exported from dc power output end through said second diode; The cathode voltage of said the 3rd diode is less than the cathode voltage of the 3rd diode, and less than the conducting voltage of the 3rd diode, said ground signalling is exported from said ground connection output through the 3rd diode.
The technical scheme of the embodiment of the invention also comprises: said detecting unit also comprises:
First voltage stabilizing didoe, its positive pole is connected with said first input end, and negative pole is connected with said dc power output end;
Second voltage stabilizing didoe, its positive pole is connected with said second input, and negative pole is connected with said dc power output end;
The 3rd voltage stabilizing didoe, its positive pole is connected with said ground connection output, and negative pole is connected with said first input end; And
The 4th voltage stabilizing didoe, its positive pole is connected with said ground connection output, and negative pole is connected with said second input.
The technical scheme of the embodiment of the invention also comprises: said earphone with Auto-Sensing function also comprises electric capacity of voltage regulation, and an end of said electric capacity of voltage regulation is connected with said dc power output end, and the other end is connected with said ground connection output.
The technical scheme of the embodiment of the invention also comprises: said headset plug is the headset plug of four joint formulas.
The technical scheme of the embodiment of the invention has following advantage or beneficial effect: the present invention has the earphone of Auto-Sensing function because the employing control unit controls first switch element and the second switch unit is conducting state or cut-off state; Make the output of dc power signal dc power output end; And ground signalling is from this ground connection output output; Make earphone not receive the restriction of the signal configures of earphone socket, be common to various electronic installations.
Description of drawings
Accompanying drawing 1 is the structural representation of the earphone with Auto-Sensing function of first embodiment of the invention;
Accompanying drawing 2 is structural representations of the earphone with Auto-Sensing function of second embodiment of the invention;
Accompanying drawing 3 is structural representations of the earphone with Auto-Sensing function of third embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Seeing also Fig. 1, is the structural representation of the earphone with Auto-Sensing function of first embodiment of the invention.The earphone with Auto-Sensing function of first embodiment of the invention is used to detect the dc power signal and the ground signalling of electronic installation (figure does not show) jack; This jack comprises two hum tone signal, and this earphone with Auto-Sensing function comprises headset plug 10, detecting unit 11, first switch element 12, second switch unit 13, microphone unit 14, control unit 15 and headphone unit 16.
Detecting unit 11 is connected with headset plug 10, comprising: first input end 110, second input 111, dc power output end 112 and ground connection output 113.First input end 110 is used to receive one of them signal of dc power signal and ground signalling; Second input 111 is used to receive one of them signal of dc power signal and ground signalling; Dc power output end 112 is used for the output DC source signal; Ground connection output 113 is used to export ground signalling.
If wherein detecting unit 11 detects first input end 110 and receives ground signalling; Then control unit 15 is made as conducting state with first switch element 12; And second switch unit 13 is made as cut-off state; If detecting unit 11 detects second input 111 and receives ground signalling, then control unit 15 is made as cut-off state with first switch element 12, and this second switch unit 13 is made as conducting state.
Seeing also Fig. 2, is the structural representation of the earphone with Auto-Sensing function of second embodiment of the invention.In the earphone with Auto-Sensing function of second embodiment of the invention, detecting unit 11 also comprises: first diode 114, and its positive pole is connected with first input end 110, and negative pole is connected with dc power output end 112; Second diode 115, its positive pole is connected with this second input 111, and negative pole is connected with dc power output end 112; The 3rd diode 116, its positive pole is connected with this ground connection output 113, and negative pole is connected with this first input end 110; And the 4th diode 117, it is anodal to be connected with ground connection output 113, and negative pole is connected with second input 111.
Therefore; If this first input end 110 receives dc power signal; Second input 111 receives ground signalling; Then first diode, 114 cathode voltages will be greater than the cathode voltage of first diode 114, and surpasses the conducting voltage of this first diode 114, so this dc power signal will be exported from this dc power output end 112 through this first diode 114; The cathode voltage of the 4th diode 117 will be less than the cathode voltage of the 4th diode 117, and less than the conducting voltage of the 4th diode 117, so this ground signalling will be through the 4th diode 117 from these ground connection output 113 outputs.
If this first input end 110 receives this ground signalling; This second input 111 receives this dc power signal; Then the cathode voltage of this second diode 115 will be greater than the cathode voltage of this second diode 115; And the conducting voltage that surpasses this second diode 115, so this dc power signal will be through this second diode 115 from these dc power output end 112 outputs; The cathode voltage of the 3rd diode 116 will be less than the cathode voltage of the 3rd diode 116, and less than the conducting voltage of the 3rd diode 116, so this ground signalling will be through the 3rd diode 116 from these ground connection output 113 outputs.
Can know by above description; No matter this first input end 110 receives this dc power signal or this ground signalling; And this second input 111 receives this dc power signal or this ground signalling; This dc power signal all can be from 112 outputs of this dc power output end, and this ground signalling all can be from these ground connection output 113 outputs, so this detecting unit 11 can reach the function that detects this dc power signal or this ground signalling.
Seeing also Fig. 3, is the structural representation of the earphone with Auto-Sensing function of third embodiment of the invention.In the earphone with Auto-Sensing function of third embodiment of the invention, this detecting unit 11 also comprises:
The first voltage stabilizing didoe 114a, its positive pole is connected with this first input end 110, and negative pole is connected with this dc power output end 112;
The second voltage stabilizing didoe 115a, its positive pole is connected with this second input 111, and negative pole is connected with this dc power output end 112;
The 3rd voltage stabilizing didoe 116a, its positive pole is connected with this ground connection output 113, and negative pole is connected with this first input end 110; And
The 4th voltage stabilizing didoe 117a, its positive pole is connected with this ground connection output 113, and negative pole is connected with this second input 111.
Therefore; If this first input end 110 receives this dc power signal; This second input 111 receives this ground signalling; Then the cathode voltage of this first voltage stabilizing didoe 114a will be greater than the cathode voltage of this first voltage stabilizing didoe 114a, and surpasses the conducting voltage of this first voltage stabilizing didoe 114a, so this dc power signal will be exported from this dc power output end 112 through this first voltage stabilizing didoe 114a; The cathode voltage of the 4th voltage stabilizing didoe 117a will be less than the cathode voltage of the 4th voltage stabilizing didoe 117a; And less than the conducting voltage of the 4th voltage stabilizing didoe 117a, so this ground signalling will be through the 4th voltage stabilizing didoe 117a from these ground connection output 113 outputs.
If this first input end 110 receives this ground signalling; This second input 111 receives this dc power signal; Then the cathode voltage of this second voltage stabilizing didoe 115a will be greater than the cathode voltage of this second voltage stabilizing didoe 115a; And the conducting voltage that surpasses this second voltage stabilizing didoe 115a, so this dc power signal will be through this second voltage stabilizing didoe 115a from these dc power output end 112 outputs; The cathode voltage of the 3rd voltage stabilizing didoe 116a will be less than the cathode voltage of the 3rd voltage stabilizing didoe 116a; And less than the conducting voltage of the 3rd voltage stabilizing didoe 116a, so this ground signalling will be through the 3rd voltage stabilizing didoe 116a from these ground connection output 113 outputs.
Can know by above-mentioned explanation; No matter this first input end 110 is to receive this dc power signal or this ground signalling; And this second input 111 receives this dc power signal or this ground signalling; This dc power signal all can be from 112 outputs of this dc power output end, and this ground signalling all can be from these ground connection output 113 outputs, so this detecting unit 11 can reach the function that detects this dc power signal or this ground signalling.
In another preferred embodiment of the present invention, the earphone with Auto-Sensing function of the present invention also comprises electric capacity of voltage regulation 17, and an end of this electric capacity of voltage regulation 17 is connected with this dc power output end 112, and other end system is connected with this ground connection output 113.
The jack of this electronic installation is the jack of four joint formulas, and this headset plug 10 is the headset plug of four joint formulas.This electronic installation system is a mobile phone.
Through above-mentioned device, the present invention is not limited by the signal configures of earphone socket can, and can be common to various electronic installations.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all interior any modifications of doing in spirit of the present invention and principle, is equal to and replaces and improvement etc., all should be included in protection scope of the present invention in.
Claims (10)
1. earphone with Auto-Sensing function; Be used to detect the dc power signal and the ground signalling of electronic installation jack; Said jack also comprises the hum tone signal; It is characterized in that: said earphone with Auto-Sensing function comprises headset plug, detecting unit, first switch element, second switch unit, microphone unit, control unit and headphone unit; Said headset plug is connected with said jack, receives dc power signal, ground signalling and hum tone signal, and said detecting unit control links to each other with microphone unit with headset plug, first switch element, second switch unit respectively; Said control unit links to each other with headphone unit with first switch element, second switch unit respectively, and controlling first switch element and second switch unit is conducting state or cut-off state; Said headphone unit is connected with headset plug with control unit, receives the hum tone signal and from the ground signalling of said control unit.
2. the earphone with Auto-Sensing function according to claim 1; It is characterized in that; Said detecting unit comprises first input end, second input, dc power output end and ground connection output; Said first input end links to each other with first switch element with headset plug respectively, receives one of them signal of dc power signal and ground signalling; Said second input links to each other with the second switch unit with headset plug respectively, receives one of them signal of dc power signal and ground signalling; Said dc power output end links to each other with microphone unit one end; Said ground connection output links to each other with the microphone unit other end.
3. the earphone with Auto-Sensing function according to claim 2; It is characterized in that; Said detecting unit detects first input end and receives ground signalling, and control unit is made as conducting state with first switch element, and the second switch unit is made as cut-off state.
4. the earphone with Auto-Sensing function according to claim 2; It is characterized in that; Said detecting unit detects second input and receives ground signalling, and control unit is made as cut-off state with first switch element, and the second switch unit is made as conducting state.
5. the earphone with Auto-Sensing function according to claim 2 is characterized in that, said detecting unit also comprises:
First diode, its positive pole is connected with first input end, and negative pole is connected with dc power output end;
Second diode, its positive pole is connected with second input, and negative pole is connected with dc power output end;
The 3rd diode, its positive pole is connected with this ground connection output, and negative pole is connected with first input end; With
The 4th diode, its positive pole is connected with the ground connection output, and negative pole is connected with second input.
6. the earphone with Auto-Sensing function according to claim 5; It is characterized in that; Said first input end receives dc power signal, and second input receives ground signalling, and the said first diode cathode voltage is greater than the cathode voltage of first diode; And the conducting voltage that surpasses first diode, said dc power signal is exported from said dc power output end through first diode; The cathode voltage of said the 4th diode is less than the cathode voltage of the 4th diode, and less than the conducting voltage of the 4th diode, said ground signalling will be exported from said ground connection output through the 4th diode.
7. the earphone with Auto-Sensing function according to claim 5; It is characterized in that; Said first input end receives ground signalling, and said second input receives dc power signal, and the cathode voltage of said second diode is greater than the cathode voltage of second diode; And the conducting voltage that surpasses second diode, said dc power signal is exported from dc power output end through said second diode; The cathode voltage of said the 3rd diode is less than the cathode voltage of the 3rd diode, and less than the conducting voltage of the 3rd diode, said ground signalling is exported from said ground connection output through the 3rd diode.
8. the earphone with Auto-Sensing function according to claim 2 is characterized in that, said detecting unit also comprises:
First voltage stabilizing didoe, its positive pole is connected with said first input end, and negative pole is connected with said dc power output end;
Second voltage stabilizing didoe, its positive pole is connected with said second input, and negative pole is connected with said dc power output end;
The 3rd voltage stabilizing didoe, its positive pole is connected with said ground connection output, and negative pole is connected with said first input end; And
The 4th voltage stabilizing didoe, its positive pole is connected with said ground connection output, and negative pole is connected with said second input.
9. the earphone with Auto-Sensing function according to claim 2; It is characterized in that; Said earphone with Auto-Sensing function also comprises electric capacity of voltage regulation, and an end of said electric capacity of voltage regulation is connected with said dc power output end, and the other end is connected with said ground connection output.
10. the earphone with Auto-Sensing function according to claim 1 is characterized in that, said headset plug is the headset plug of four joint formulas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210217994.3A CN102695109B (en) | 2012-06-28 | 2012-06-28 | Earphone with automatic sensing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210217994.3A CN102695109B (en) | 2012-06-28 | 2012-06-28 | Earphone with automatic sensing function |
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| Publication Number | Publication Date |
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| CN102695109A true CN102695109A (en) | 2012-09-26 |
| CN102695109B CN102695109B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210217994.3A Expired - Fee Related CN102695109B (en) | 2012-06-28 | 2012-06-28 | Earphone with automatic sensing function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491475A (en) * | 2013-08-26 | 2014-01-01 | 岳凡恩 | Earphone with automatic detection function and operation method thereof |
| CN103841494A (en) * | 2012-11-26 | 2014-06-04 | 昆达电脑科技(昆山)有限公司 | Device for automatically matching headset mode |
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| CN101232742A (en) * | 2007-01-25 | 2008-07-30 | 启碁科技股份有限公司 | Earphone device capable of switching signal transmission |
| CN201758417U (en) * | 2010-08-25 | 2011-03-09 | 华为终端有限公司 | Earphone compatible device and mobile terminal |
| CN102395072A (en) * | 2011-10-21 | 2012-03-28 | 惠州Tcl移动通信有限公司 | Plug and earphone with same |
| CN202634680U (en) * | 2012-06-28 | 2012-12-26 | 深圳市聚鑫城科技有限公司 | Earphone with automatic sensing function |
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2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101198192A (en) * | 2006-12-08 | 2008-06-11 | 启碁科技股份有限公司 | Electronic device capable of automatically estimating telephone earphone species and correlation technique thereof |
| CN101232742A (en) * | 2007-01-25 | 2008-07-30 | 启碁科技股份有限公司 | Earphone device capable of switching signal transmission |
| CN201758417U (en) * | 2010-08-25 | 2011-03-09 | 华为终端有限公司 | Earphone compatible device and mobile terminal |
| CN102395072A (en) * | 2011-10-21 | 2012-03-28 | 惠州Tcl移动通信有限公司 | Plug and earphone with same |
| CN202634680U (en) * | 2012-06-28 | 2012-12-26 | 深圳市聚鑫城科技有限公司 | Earphone with automatic sensing function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103841494A (en) * | 2012-11-26 | 2014-06-04 | 昆达电脑科技(昆山)有限公司 | Device for automatically matching headset mode |
| CN103491475A (en) * | 2013-08-26 | 2014-01-01 | 岳凡恩 | Earphone with automatic detection function and operation method thereof |
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| Publication number | Publication date |
|---|---|
| CN102695109B (en) | 2014-12-03 |
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