CN204014026U - Audio transmission circuit - Google Patents
Audio transmission circuit Download PDFInfo
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- CN204014026U CN204014026U CN201420368767.5U CN201420368767U CN204014026U CN 204014026 U CN204014026 U CN 204014026U CN 201420368767 U CN201420368767 U CN 201420368767U CN 204014026 U CN204014026 U CN 204014026U
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Abstract
The utility model has disclosed a kind of audio transmission circuit, described audio transmission circuit comprises audio jack, at least one audible component and n subelement, described in each, subelement includes the first link and the second link, described in each, in subelement, described the first link connects described the second link; The first link of subelement described in one after the second link selectivity of last described subelement connects.In the time realizing the signal conduction of described audio jack and audible component by described subelement, can realize complete ear-phone function; Described at least one, subelement comprises that one can complete the functional module of preset function, can realize the selection application between several functions, thereby improves the integrated level of equipment.
Description
Technical field
The utility model relates to audio devices technical field, particularly relates to a kind of audio transmission circuit.
Background technology
Earphone or headset (with the earphone of microphone) are indispensable peripheral host electronic equipments in modern host electronic equipment (mobile phone or panel computer etc.).Earphone brings great convenience and use to our life, uses succinct fashion.But up to now, the integrated level of the peripheral host electronic equipment such as earphone is low, not only increases the peripheral hardware cost of host electronic equipment, and in use bring inconvenience to user.
Utility model content
The purpose of this utility model is, a kind of audio transmission circuit is provided, and earphone and at least one functional device are combined, and realizes selection or applied in any combination between several functions, improves the integrated level of equipment.
For solving the problems of the technologies described above, the utility model provides a kind of audio transmission circuit, for transmission of audio signal, it is characterized in that, described audio transmission circuit comprises audio jack, an audible component and n subelement, and described audio jack and audible component realize signal conduction by described subelement, and described at least one, subelement comprises that one can complete the functional module of preset function, wherein, n >=2;
Described in each, subelement includes the first link and the second link;
After the second link selectivity of last described subelement connects, the first link of subelement described in, realizes the signal conduction between described subelement.
Further, described the first link and described the second link respectively comprise at least one connector, after the second link of last described subelement connects described in one when the first link of subelement, the connector electric connection of the connector of described the first link and corresponding described the second link.
Further, described in each, in subelement, described the first link comprises a first signal connector, and described the second link comprises a secondary signal connector, and described first signal connector and secondary signal connector electrically conduct;
After the second link of last described subelement connects described in one when the first link of subelement, the first signal connector electric connection of subelement described in the secondary signal connector of last described subelement and rear.
Further, described audio transmission circuit also comprises an acoustic signal line, a described acoustic signal line comprises first paragraph and second segment, one end of described first paragraph connects described audio jack, the other end of described first paragraph connects the first signal connector of the 1st described subelement, one end of described second segment connects a described audible component, and the other end of described second segment connects the secondary signal connector of n described subelement.
Further, described in each, the first link of subelement all also comprises the first microphone connector, and the second link of i described subelement also comprises second microphone connector;
In i described subelement, described the first microphone connector and second microphone connector electrically conduct;
After the second link of last described subelement connects described in one when the first link of subelement, the first microphone connector electric connection of subelement described in the second microphone connector of last described subelement and rear;
Described audio transmission circuit also comprises a microphone signal line, and one end of described microphone signal line connects described audio jack, and the other end of described microphone signal line connects the first microphone connector of the 1st described subelement, 1≤i≤n-1.
Further, described audio transmission circuit also comprises the first line traffic control module, and described the first line traffic control module is arranged in a described subelement, and described the first line traffic control module is connected with the first microphone connector of the described subelement at its place.
Further, described audio transmission circuit also comprises the first detecting module, described the first detecting module and described the first line traffic control module are arranged in same described subelement, described the first detecting module is surveyed the described subelement at its place and the connection of adjacent described subelement, and gives described the first line traffic control module by the first result of detection.
Further, described audio transmission circuit also comprises at least one the second line traffic control module, described the second line traffic control module is arranged in different described subelements from described the first line traffic control module, and described the second line traffic control module is connected with the first microphone connector of the described subelement at its place.
Further, described audio transmission circuit also comprises the second detecting module, described the second detecting module and described the second line traffic control module are arranged in same described subelement, described the second detecting module is surveyed the described subelement at its place and the connection of adjacent described subelement, and the second result of detection is issued to the second line traffic control module of described the second detecting module place subelement.
Further, k described subelement comprises described the second line traffic control module and described functional module, and in k described subelement, described the second line traffic control module is connected with described functional module, 1≤k≤n.
Further, n described subelement comprises described functional module, and in n described subelement, described functional module comprises bluetooth earphone module.
Further, n-1 described subelement also comprises described functional module, in n-1 described subelement, described functional module comprises battery module, n-1 described subelement also comprises the second link battery output connecting head of one, described battery module connects described battery output connecting head, and the first link of n described subelement also comprises a battery input connector, and described battery input connector connects described bluetooth earphone module;
In the time that the second link of n-1 described subelement connects the first link of n described subelement, described battery input connector and described battery output connecting head electrically conduct.
Further, n-1 described subelement also comprises described functional module, in n-1 described subelement, described functional module comprises interface protocol modular converter, the second link of n-1 described subelement also comprises a first kind interface connector, the first link of n-1 described subelement also comprises a Second Type interface connector, described interface protocol modular converter connects respectively described first kind interface connector and Second Type interface connector, the first link of n described subelement also comprises the interface connector of described bluetooth earphone module,
In the time that the second link of n-1 described subelement connects the first link of n described subelement, the interface connector of described bluetooth earphone module and described first kind interface connector are connected.
Further, n described subelement also comprises power management module, and described power management module connects described bluetooth earphone module, and described power management module also connects described first signal connector and/or the first microphone connector.
Further, described audio transmission circuit also j described subelement also comprises microphone module, and described microphone module connects the first microphone connector of j described subelement, 1≤j≤n.
Further, described in each in subelement, described the first link also comprises the first ground signalling connector, and described the second link also comprises the second ground signalling connector, and described the first ground signalling connector and described the second ground signalling connector electrically conduct;
After the second link of last described subelement connects described in one when the first link of subelement, the first ground signalling connector electric connection of subelement described in the second ground signalling connector and rear of last described subelement.
Further, described audio transmission circuit also comprises at least one control button, and described control button and described audio jack electrically conduct.
Further, at least the m described subelement comprises described control button and described functional module, and in m described subelement, described control button is connected with described functional module, to control described functional module, 1≤m≤n.
Further, described audio transmission circuit also comprises the first line traffic control module, described the first line traffic control module is arranged in a described subelement, described the first line traffic control module and described audio jack electrically conduct, described control button first connects described the first line traffic control module, electrically conducts by described the first line traffic control module and described audio jack.
Further, described control button is arranged at least one described subelement, described the first link comprises that one first controls button connector at least partly, described the second link comprises that one second controls button connector at least partly, control button connector and second by described first and control button connector, realize the control push button signalling conducting between described subelement.
Further, described functional module comprises one or more in flash memory module, audio codec module, interface protocol modular converter, sensor assembly, wireless transmit/receive units module, battery module and CPU.
Further, described audio transmission circuit also comprises another audible component and another acoustic signal line, and described another audible component is the signal conduction with described audio jack by described another acoustic signal line realization.
Compared with prior art, the audio transmission circuit that the utility model provides has the following advantages:
In the audio transmission circuit providing at the utility model, described audio transmission circuit comprises audio jack, an audible component and n subelement, described in each, subelement includes the first link and the second link, described in each, in subelement, described the first link connects described the second link; The first link of subelement described in one after the second link selectivity of last described subelement connects.Described the first link and the second link can transmit the signals such as audio signal, in the time realizing the signal conduction of described audio jack and audible component by described subelement, can realize complete ear-phone function; Described at least one, subelement comprises that one can complete the functional module of preset function, can realize the selection application between several functions, thereby improves the integrated level of equipment.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model the first embodiment sound intermediate frequency transmission circuit;
Fig. 2 is the schematic diagram of the 2nd subelement in the utility model the first embodiment;
Fig. 3 is the schematic diagram of the utility model the second embodiment sound intermediate frequency transmission circuit;
Fig. 4 is the schematic diagram of the 1st subelement in the utility model the second embodiment;
Fig. 5 is the schematic diagram of the 2nd subelement in the utility model the second embodiment;
Fig. 6 is the schematic diagram of the 3rd subelement in the utility model the second embodiment.
Embodiment
Below in conjunction with schematic diagram, audio transmission circuit of the present utility model is described in more detail, wherein represent preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here, and still realize advantageous effects of the present utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
For clear, whole features of practical embodiments are not described.They in the following description, are not described in detail known function and structure, because can make the utility model chaotic due to unnecessary details.Will be understood that in the exploitation of any practical embodiments, must make a large amount of implementation details to realize developer's specific objective, for example, according to about system or about the restriction of business, change into another embodiment by an embodiment.In addition, will be understood that this development may be complicated and time-consuming, but be only routine work to those skilled in the art.
In the following passage, with way of example, the utility model is more specifically described with reference to accompanying drawing.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of aid illustration the utility model embodiment lucidly.
Core concept of the present utility model is, a kind of audio transmission circuit is provided, described audio transmission circuit is for transmission of audio signal, described audio transmission circuit comprises audio jack, an audible component and n subelement, described audio jack and audible component realize signal conduction by described subelement, described at least one, subelement comprises that one can complete the functional module of preset function, wherein, and n >=2; Described in each, subelement includes the first link and the second link; After the second link selectivity of last described subelement connects, the first link of subelement described in, realizes the signal conduction between described subelement.In the time realizing the signal conduction of described audio jack and audible component by described subelement, can realize complete ear-phone function; Described at least one, subelement comprises that one can complete the functional module of preset function, can realize the selection application between several functions, thereby improves the integrated level of equipment.
Below enumerate several embodiment of described audio transmission circuit, to clearly demonstrate content of the present utility model, will be clear that, content of the present utility model is not restricted to following examples, and other improvement by those of ordinary skill in the art's routine techniques means are also within thought range of the present utility model.
The first embodiment
Refer to Fig. 1-Fig. 2 and illustrate the first embodiment of the present utility model, wherein, Fig. 1 is the schematic diagram of the utility model the first embodiment sound intermediate frequency transmission circuit; Fig. 2 is the schematic diagram of the 2nd subelement in the utility model the first embodiment.In the present embodiment, described audio transmission circuit 1 comprises two audible component: audible component 12 and another audible component 13, and wherein, a described audible component 12 is left earplug, described another audible component 13 is right earplug; Or a described audible component 12 is right earplug, described another audible component 13 is left earplug.Described audio transmission circuit 1 can be realized traditional ear-phone function, realizes the audio signal transmission of host electronic equipment to left earplug and right earplug.
As shown in Figure 1, described audio transmission circuit 1 comprises audio jack 11, an audible component 12 (left earplug or right earplug), another audible component 13 (right earplug or left earplug) and n subelement, n >=2, and n is positive integer.For example n is 2,3,4,5,6 or more, in Fig. 1, describes taking n as 2, and described audio transmission circuit 1 comprises two subelements: subelement 1U1 and subelement 1U2.Described audio jack 11 is for being connected with described host electronic equipment (mobile phone, media player or panel computer etc.), and a described audible component 12, another acoustic signal line 13 be the signal conduction with described audio jack 11 by least one subelement (described the 1st subelement 1U1 and/or the 2nd subelement 1U2) realization.
In the present embodiment, described audio jack 11 comprises a sound channel terminal 111 (L channel terminal), another sound channel terminal 112 (R channel terminal) and earth terminal 113, wherein, a described sound channel terminal 111 is for transmitting left channel signals HPL, and described another sound channel terminal 113 is for transmitting right-channel signals HPR.In other embodiment of the present utility model, described audio transmission circuit 1 can also only include a described audible component 12 (left earplug), do not comprise described another audible component 13 (right earplug), described audio jack 11 only includes a described sound channel terminal 111, does not comprise described another sound channel terminal 112.
Described in each, subelement includes the first link and the second link, and after the second link selectivity of last described subelement connects, the first link of subelement described in, realizes the signal conduction between described subelement.In the present embodiment, described subelement 1U1 comprises the first link U1I and the second link U1O, and described subelement 1U2 comprises the first link U2I and the second link U2O, and described the second link U1O selectivity connects described the first link U2I.
Preferably, described in each, in subelement, described the first link comprises a first signal connector, and described the second link comprises a secondary signal connector, and described first signal connector and secondary signal connector electrically conduct.In the present embodiment, the first link U1I comprises a first signal connector U1HI, the second link U1O comprises a secondary signal connector U1HO, the first link U2I comprises a first signal connector U2HI, the second link U2O comprises a secondary signal connector U2HO, in the time that described the second link U1O connects described the first link U2I, secondary signal connector U1HO connects first signal connector U2HI.
General, described the first link also comprises the first ground signalling connector, described the second link also comprises the second ground signalling connector, after the second link of last described subelement connects described in one when the first link of subelement, the first ground signalling connector electric connection of subelement described in the second ground signalling connector and rear of last described subelement.In the present embodiment, the first link U1I comprises the first ground signalling connector U1GI, the second link U1O comprises the second ground signalling connector U1GO, and the first link U2I comprises the first ground signalling connector U2GI, and the second link U2O comprises the second ground signalling connector U2GO.In the time that described the second link U1O connects described the first link U2I, the second ground signalling connector U2GO connects the first ground signalling connector U1GI.Described the first ground signalling connector U1GI is used for connecting described earth terminal 113, and described the second ground signalling connector U2GO is used for connecting a described audible component 12.
In the present embodiment, a described sound channel terminal 111 is fixedly connected with described first signal connector U1HI, in other embodiment of the present utility model, a described sound channel terminal 111 can selectivity connect arbitrary described the first link, and selectivity connects described first signal connector U1HI or described first signal connector U2HI as required.In the present embodiment, a described audible component 12 is fixedly connected with described secondary signal connector U2HO, in other embodiment of the present utility model, a described audible component 12 can selectivity connect arbitrary described secondary signal connector, and selectivity connects described secondary signal connector U1HO or described secondary signal connector U2HO as required.
Preferably, described audio transmission circuit 1 also comprises an acoustic signal line 14, a described acoustic signal line 14 comprises first paragraph 141 and second segment 142, one end of described first paragraph 141 connects described audio jack 11 (connecting a described sound channel terminal 111), the other end of described first paragraph connects first signal connector U1HI, one end of described second segment 142 connects a described audible component 12, and the other end of described second segment 141 connects secondary signal connector U2HO.
Wherein, described at least one, subelement comprises that one can complete the functional module of preset function, described functional module comprises flash memory module, audio codec module, interface protocol modular converter, sensor assembly (for example temperature sensor module, humidity sensor module, pressure sensor module, magnetic force sensor module, gas sensor module, photo-sensor module, motion sensor module, attitude sensor module etc.), for example, in wireless transmit/receive units module (bluetooth, WIFI, the modules such as ZigBee), battery module and CPU one or more.
For example in the present embodiment, described subelement 1U2 comprises a described functional module 1F, as shown in Figure 2, wherein, described functional module is bluetooth earphone module, described bluetooth earphone module is to realize the module of bluetooth earphone function, described bluetooth earphone module comprises that can realize the required all components and parts of complete bluetooth earphone (removes earplug components and parts in addition, the such as components and parts such as microphone, battery), its circuit structure is what those having ordinary skill in the art will appreciate that, and therefore not to repeat here.
As shown in Figure 2, described functional module 1F connects respectively described secondary signal connector U2HO and described the first ground signalling connector U2GO.In the present embodiment, when described secondary signal connector U1HO connects described first signal connector U2HI (simultaneously, described the second ground signalling connector U1GO connects described the first ground signalling connector U2GI), realize the signal transmission between a described audible component 12, another acoustic signal line 13 and described audio jack 11, a described audible component 12, another acoustic signal line 13 all receive the audio signal of described host electronic equipment, when between described secondary signal connector U1HO and described first signal connector U2HI being connected disconnect time (simultaneously, described the second ground signalling connector U1GO and described the first ground signalling connector U2GI) be connected disconnection, realize the signal that a described audible component 12 cannot receive by described acoustic signal line 14 described audio jack 11, described functional module 1F (described bluetooth earphone module) starts working, can be by wireless mode, make a described audible component 12 accept described audio signal, now, described subelement 1U2 and a described audible component 12 can be used as a common bluetooth earphone and use.
Certainly, in described subelement 1U1, also can comprise flash memory module, audio codec module, interface protocol modular converter, sensor assembly (for example temperature sensor module, humidity sensor module, pressure sensor module, magnetic force sensor module, gas sensor module, photo-sensor module, motion sensor module, attitude sensor module etc.), wireless transmit/receive units module (for example bluetooth, WIFI, modules such as ZigBee), the functional module such as battery module and CPU, can make described audio transmission circuit 1 there is more function.
In the present embodiment, described the first link comprises first signal connector and two connectors of the first microphone connector, described the second link comprises secondary signal connector and two connectors of second microphone connector, the connector of described the first link does not do concrete restriction with the connected mode of the connector of corresponding described the second link, for example, the connector of subelement described in one after the connector of last described subelement can connect by contact pin structure, and for example, the connector of subelement described in one after the connector of last described subelement also can connect by USB interface structure, for another example, the connector of subelement described in one after the connector of last described subelement also can connect by connecting line, etc., as long as can realize the signal conduction of the connector of subelement described in the connector and rear of last described subelement, also within thought range of the present utility model.And, in same described audio transmission circuit, can comprise the connector of multiple connected mode.
The second embodiment
Refer to Fig. 3-Fig. 6 and illustrate the first embodiment of the present utility model, wherein, Fig. 3 is the schematic diagram of the utility model the second embodiment sound intermediate frequency transmission circuit; Fig. 4 is the schematic diagram of the 1st subelement in the utility model the second embodiment; Fig. 5 is the schematic diagram of the 2nd subelement in the utility model the second embodiment; Fig. 6 is the schematic diagram of the 3rd subelement in the utility model the second embodiment.In Fig. 3-Fig. 6, reference number represents the parts that the statement identical with Fig. 1-Fig. 2 is identical with the first execution mode.The audio transmission circuit 2 of described the second embodiment is basic identical with the audio transmission circuit 1 of described the first embodiment, its difference is: described in each, the first link of subelement all also comprises the first microphone connector, the second link of i described subelement also comprises second microphone connector, wherein, 1≤i≤n-1, described audio transmission circuit 2 can be realized traditional earphone function.In Fig. 3, comprise that taking described audio transmission circuit 23 described subelements describe as example.In the present embodiment, described audio transmission circuit 2 comprises 3 subelements: the 1st subelement 2U1, the 2nd subelement 2U2, the 3rd subelement 2U3.
Described subelement 2U1 comprises the first link U1I and the second link U1O, described subelement 2U2 comprises the first link U2I and the second link U2O, described subelement 2U3 comprises the first link U3I and the second link U3O, described the second link U1O selectivity connects described the first link U2I or described the first link U3I, transmits between described audio jack 11 and a described audible component 12 (left earplug) to realize described audio signal (left channel signals HPL).
In described subelement 2U1, described the first link U1I comprises a first signal connector U1HI, and described the second link U1O comprises a secondary signal connector U1HO, and described first signal connector U1HI and described secondary signal connector U1HO electrically conduct; In described subelement 2U2, described the first link U2I comprises a first signal connector U2HI, and described the second link U2O comprises a secondary signal connector U2HO, and described first signal connector U2HI and described secondary signal connector U2HO electrically conduct; In described subelement 2U3, described the first link U3I comprises one first link U3HI, and described the second link U3O comprises one second link U3HO, and described the first link U3HI and described the second link U3HO electrically conduct.When described the second link U1O selectivity connects described the first link U2I or described the first link U3I, described secondary signal connector U1HO selectivity connects described first signal connector U2HI or described the first link U3HI, transmits between described audio jack 11 and a described audible component 12 (left earplug) to realize described audio signal (left channel signals HPL).
General, described in each in subelement, described the first link also comprises the first ground signalling connector, described the second link also comprises the second ground signalling connector, described the first ground signalling connector and described the second ground signalling connector electrically conduct, after the second link of last described subelement connects described in one when the first link of subelement, the first ground signalling connector electric connection of subelement described in the second ground signalling connector and rear of last described subelement.In the present embodiment, the first link U1I comprises the first ground signalling connector U1GI, and the second link U1O comprises the second ground signalling connector U1GO, and described the first ground signalling connector U1GI and the second ground signalling connector U1GO electrically conduct; The first link U2I comprises the first ground signalling connector U2GI, and the second link U2O comprises the second ground signalling connector U2GO, and described the first ground signalling connector U2GI and the second ground signalling connector U2GO electrically conduct; The first link U3I comprises the first ground signalling connector U3GI, and the second link U3O comprises the second ground signalling connector U3GO, and described the first ground signalling connector U3GI and the second ground signalling connector U3GO electrically conduct.When described the second link U1O selectivity connects described the first link U2I or described the first link U3I, described the second ground signalling connector U1GO selectivity connects described the first ground signalling connector U2GI or described the first ground signalling connector U3GI.Described the first ground signalling connector U1GI (the first ground signalling connector of the 1st described subelement) is for connecting described earth terminal 113, and described the first ground signalling connector U3GO (the second ground signalling connector of n described subelement) is for connecting a described audible component 12.
As shown in Figure 3, in the present embodiment, described audio jack 21 also comprises Mike's terminal 214, to receive microphone signal MIC.Described audio transmission circuit 2 also comprises a microphone signal line 25, to transmit described microphone signal MIC.
Wherein, in i described subelement, described the first microphone connector connects described second microphone connector; After the second link of last described subelement connects described in one when the first link of subelement, the first microphone connector electric connection of subelement described in the second microphone connector of last described subelement and rear.In described subelement 2U1, described the first link U1I comprises one first microphone connector U1MI, described the second link U1O comprises a second microphone connector U1MO, and described the first microphone connector U1MI and described second microphone connector U1MO electrically conduct; In described subelement 2U2, described the first link U2I comprises the first microphone connector U2MI, described the second link U2O comprises a second microphone connector U2MO, and described the first microphone connector U2MI and described second microphone connector U2MO electrically conduct; In described subelement 2U3, described the first link U3I comprises the first microphone connector U3MI.Described second microphone connector U1MO selectivity connects described the first microphone connector U2MI, described second microphone connector U2MO selectivity connects described the first microphone connector U3MI, in addition, described second microphone connector U1MO can also selectivity connect described the first microphone connector U3MI, described subelement 2U1 directly connects described subelement 2U3, in the time that described second microphone connector U1MO connects described the first microphone connector U3MI, described subelement 2U2 is without between the described audio jack 21 of access and a described audible component 12, can realize the signal transmission between described audio jack 21 and a described audible component 12.
In the present embodiment, described Mike's terminal 214 is fixedly connected with described the first microphone connector U1MI (the first microphone connector of the 1st described subelement), in other embodiment of the present utility model, described Mike's terminal 214 can selectivity connect arbitrary described the first microphone connector, and selectivity connects described the first microphone connector U1MI, the first microphone connector U2MI or the first microphone connector U3MI as required.
Preferably, one end of described microphone signal line 25 connects described audio jack 21 (connecting described Mike's terminal 214), and the other end of described microphone signal line 25 connects the first link U1MI of the 1st described subelement 2U1.
Wherein, described audio transmission circuit 2 also comprises the first line traffic control module, described the first line traffic control module is arranged in a described subelement, described the first line traffic control module is connected with the first microphone connector of the described subelement at its place, make described the first line traffic control module by with host electronic equipment communication, indirectly control the broadcast sound volume of L channel and R channel, the operating state that the while can also be controlled microphone signal, the circuit structure of described the first line traffic control module is what those having ordinary skill in the art will appreciate that, and therefore not to repeat here.Preferably, as shown in Figure 4, the 1st described subelement 2U1 comprises the first line traffic control module 211, and described the first line traffic control module 211 is connected with described the first microphone connector U1MI.
Described audio transmission circuit 2 also comprises the first detecting module 212, described the first detecting module 212 is arranged in same described subelement with described the first line traffic control module 211, all be arranged in the 1st described subelement 2U1, described the first detecting module 212 is surveyed the connection of the 1st described subelement 2U1 and the 2nd described subelement 2U2, and sends one first result of detection to described the first line traffic control module 211.
In addition, described audio transmission circuit 2 also comprises at least one the second line traffic control module, described the first line traffic control module is arranged in different described subelements from described the second line traffic control module, and described the second line traffic control module is connected with the first microphone connector of the described subelement at its place.In the present embodiment, as shown in Figure 5, the 2nd described subelement 2U2 comprises the second line traffic control module 221, and described the second line traffic control module 221 is connected with described the first microphone connector U2MI; As shown in Figure 6, the 3rd described subelement 2U3 comprises the second line traffic control module 231, and described the second line traffic control module 231 is connected with described the first microphone connector U3MI.
In the present embodiment, described audio transmission circuit 2 also comprises the second detecting module, described the second detecting module is arranged in same described subelement with corresponding described the second line traffic control module, described the second detecting module is surveyed the described subelement at its place and the connection of adjacent described subelement, and sends the second line traffic control module of one second result of detection to described the second detecting module place subelement.As shown in Figure 5, the 2nd described subelement 2U2 also comprises the second detecting module 222, described the second detecting module 222 is surveyed described subelement 2U2 and described subelement 2U1 and subelement 2U3 connection, and described the second detecting module 222 connects described the second line traffic control module 221; As shown in Figure 6, the 3rd described subelement 2U3 also comprises the second detecting module 232, described the second detecting module 232 is surveyed the connection of described subelement 2U3 and the 2nd described subelement 2U2, and described the second detecting module 232 connects described the second line traffic control module 231.Wherein, described detecting module (comprising the first detecting module and the second detecting module) can its place described in the connection status (detection mechanism can be machinery or electronics mode) of at least one connector of subelement, this is what those having ordinary skill in the art will appreciate that, and therefore not to repeat here.
Preferably, k described subelement comprises described the second line traffic control module and described functional module, and in k described subelement, described the second line traffic control module is connected with described functional module, make described the second line traffic control module can control the work of described functional module, 1≤k≤n.For example, in the present embodiment, as shown in Figure 5, the 2nd described subelement 2U2 also comprises functional module 2F2, and described the second line traffic control module 221 is connected 2F2 with described functional module; As shown in Figure 6, the 3rd described subelement 2U3 also comprises functional module 2F3, and described the second line traffic control module 231 is connected 2F3 with described functional module.
As shown in Figure 6, described functional module 2F3 is bluetooth earphone module, and described the second line traffic control module 231 connects described bluetooth earphone module 2F3.Described bluetooth earphone module 2F3 comprises that can realize the required all components and parts of complete bluetooth earphone (removes earplug components and parts in addition, the such as components and parts such as microphone, battery), in addition, described bluetooth earphone module 2F3 can have four line USB connector (VUSB connector, D connector, D+ connector, ID connector, GND connectors, GND connector can be multiplexing with described the first ground signalling connector U3GI), think described bluetooth earphone module 2F3 charging.
As shown in Figure 5, the 2nd described subelement 2U2 also comprises functional module 2F2, described functional module 2F2 comprises battery module, and the second link U2O of the 2nd described subelement 2U2 also comprises a battery output connecting head U2TO, and described battery module connects described battery output connecting head U2TO.As shown in Figure 6, the first link U3I of the 3rd described subelement 2U3 also comprises a battery input connector U3TI, described battery input connector U3TI connects described bluetooth earphone module 2F3, described battery input connector U3TI is connected with described battery output connecting head U2TO selectivity, and making described battery module can be described bluetooth earphone module 2F3 charging.
Certainly, described functional module 2F2 can also comprise interface protocol modular converter, for the conversion between dissimilar interface.For example, the second link U2O of the 2nd described subelement 2U2 also comprises that a first kind interface connector (is four line USB connectors: VUSB ' connector in the present embodiment, D-' connector, D+ ' connector, ID ' connector, GND connector, GND connector can be multiplexing with described the second ground signalling connector U2GO), the first link U2I of the 2nd described subelement 2U2 also comprises a Second Type interface connector (being 8 pin USB<7:0> or <8:1> in the present embodiment), described interface protocol modular converter connects respectively described first kind interface connector and Second Type interface connector.In the time that the second link U2O of the 2nd described subelement 2U2 connects the first link U3I of the 3rd described subelement 2U3, the four line USB connectors of described bluetooth earphone module 2F3 and described first kind interface connector are connected, and make to charge to described bluetooth earphone module 2F3 by described Second Type interface connector USB<7:0>.
Preferably, as shown in Figure 6, the 3rd described subelement 2U3 also comprises power management module (PowerManagement IC, PMIC) 233, described power management module 233 connects described bluetooth earphone module 2F3, described power management module 233 also connects described the first link U3HI and/or the first microphone connector U3MI, to charge as described bluetooth earphone module 2F3 by described the first link U3HI and/or the first microphone connector U3MI.
As shown in Figure 4, the 1st described subelement 2U1 also comprises microphone module 213, and described microphone module 213 connects the second microphone connector U1MI of the 1st described subelement 2U1.In other embodiment of the present utility model, described microphone module 213 can also be arranged on the 2nd described subelement 2U2 or the 3rd described subelement 2U3, according to foregoing description, this is set to those having ordinary skill in the art will appreciate that, therefore not to repeat here.
Preferably, described audio transmission circuit 2 also comprises at least one control button, and described control button and described audio jack 21 electrically conduct, thereby realizes the signal conduction of described control button and described host electronic equipment.In the present embodiment, described control button comprises that volume increases key K+, volume reduces key K-and Answer Key Kc.In the present embodiment, described volume increases key K+, volume reduces key K-and Answer Key Kc is connected with described the first line traffic control module 211, the signal conduction by described the first line traffic control module 211 realizations with described host electronic equipment.In other embodiment of the present utility model, described volume increases key K+, volume reduces key K-and is connected from different line traffic control modules respectively with Answer Key Kc, for example, volume reduces key K-and connects described the first line traffic control module 211, Answer Key Kc connects described the second line traffic control module 221, described volume increases key K+ and connects described the second line traffic control module 231, described volume increases key K+, volume reduces key K-and Answer Key Kc respectively by described the second line traffic control module 231, described the second line traffic control module 221 and described the first line traffic control module 211 realize with the signal conduction of described host electronic equipment.
Wherein, described volume increases key K+, volume reduces key K-and Answer Key Kc can be arranged on separately or together in any one subelement or several subelement.Preferably, described volume reduces key K-and is arranged in the 1st described subelement 2U1, as shown in Figure 4; Described Answer Key Kc is arranged in the 2nd described subelement 2U2, as shown in Figure 5; Described volume reduces key K-and is arranged in the 3rd described subelement 2U3, as shown in Figure 6.
As shown in Figure 4, the second link U1O of the 1st described subelement 2U1 also comprises that the second control button connector U1VO and second controls button connector U1cO, controls push button signalling (signal volume+and answer signal c) to transmit; As shown in Figure 5, the first link U2I of the 2nd described subelement 2U1 also comprises the first control button connector U2VI, first controls button connector U2cI, control push button signalling (signal volume+and answer signal c) with transmission, described the second link U2O also comprises the second control button connector U2VO, control push button signalling (signal volume+) with transmission, described first controls button connector U1VI connects described the second control button connector U2VO, and described first controls button connector U2cI connects described Answer Key Kc; As shown in Figure 6, the first link U3I of the 3rd described subelement 2U3 also comprises the first control button connector U3VO, controls push button signalling (signal volume+) to transmit, and described first controls button connector U3VO connects described Answer Key K+; Control the connection of button connector by second of described the first control button connector and correspondence, realize the control push button signalling conducting between described subelement.
In the present embodiment, as shown in Figure 5, described Answer Key Kc is connected with described functional module 2F2, and in the time that the 2nd described subelement 2U2 is not connected with described host electronic equipment, described Answer Key Kc controls described functional module 2F2; As shown in Figure 6, described volume increases key K+ and is connected with described functional module 2F3, and in the time that the 3rd described subelement 2U3 is not connected with described host electronic equipment, described volume increases key K+ and controls described functional module 2F3.
This be, as shown in Figure 5, described the second detecting module 222 is connected with described functional module 2F2, and in the time that the 2nd described subelement 2U2 is connected with described host electronic equipment, described the second detecting module 222 is for realizing the transfer of data between described functional module 2F2 and described host electronic equipment; As shown in Figure 6, described the second detecting module 232 is connected with described functional module 2F3, in the time that the 3rd described subelement 2U3 is connected with described host electronic equipment, described the second detecting module 232 is for realizing the transfer of data between described functional module 2F3 and described host electronic equipment.
Described audio transmission circuit 2, in the time carrying out work, can be divided into integral type mode of operation and sectional type mode of operation:
1. integral type mode of operation, as shown in Figure 3, described subelement 2U1 is connected with described subelement 2U2, described subelement 2U2 is connected with described subelement 2U3, the connector of described the first link U2I connects the corresponding connector of described the second link UIO, and the connector of described the first link U3I connects the corresponding connector of described the second link U2O.Now, described audio jack 11 is inserted the audio jack of described host electronic equipment, and the line traffic control module on each described subelement is shaken hands with described host electronic equipment by described microphone signal line 25, sets up communication.For realizing various configurations pattern, configure each funtion part by described host electronic equipment, comprise configuration mode a, configuration mode b, configuration mode c and configuration mode d:
Configuration mode a, described bluetooth earphone module 2F3 is closed in described host electronic equipment control, and closes described power management module 233, closes described functional module 2F2.Described volume increases key K+, volume reduces key K-and Answer Key Kc is communicated with described the first line traffic control module 211, thereby realizes traditional wired headset function;
Configuration mode b, described bluetooth earphone module 2F3 is closed in described host electronic equipment control, start described power management module 233, and start low-resistance driving MIC ray mode (continuous or intermittent mode), realize the battery charging to described bluetooth earphone module 2F3;
Configuration mode c, described bluetooth earphone module 2F3 is opened in described host electronic equipment control, but the HPL that closes described bluetooth earphone module 2F3 drives, described host electronic equipment and described bluetooth earphone module 2F3 carry out wire communication pairing, now, described bluetooth earphone module 2F3 can realize all functions except driving a described audible component 12, such as realization and the wireless telecommunications of other host electronic equipment, transmits the various sensing datas on each described subelement.
Configuration mode d, above three kinds or more polygamy put and can mix, realize greater functionality.
2. sectional type mode of operation, comprises sectional type mode of operation 1), sectional type mode of operation 2)
Sectional type mode of operation 1): described subelement 2U1 is connected with described subelement 2U2, described subelement 2U2 disconnection is connected with described subelement 2U3's, the connector of described the first link U2I connects the corresponding connector of described the second link UIO, and the connector of described the first link U3I does not connect the corresponding connector of described the second link U2O.
Now, the second detecting module 222 of described subelement 2U2 detects described subelement 2U2 and disconnects and being connected of described subelement 2U3, and notify described host electronic equipment and each connected module, the second detecting module 232 of described subelement 2U3 detects described subelement 2U2 and disconnects and being connected of described subelement 2U3, and notifies described bluetooth earphone module 2F3.If described subelement 2U2 disconnects with before being connected of described subelement 2U3, described audio transmission circuit 2 is in talking state:
The modules of described subelement 2U1 and described subelement 2U2 is closed in described host electronic equipment configuration, described bluetooth earphone module 2F3 starts automatically, and drive the HPL mouth of described bluetooth earphone module 2F3 to a described audible component 12, start the microphone of described bluetooth earphone module 2F3, realize call with the described host electronic equipment matching, this is " hot drawing " function, realizes wired call to the bumpless transfer of wireless communication;
Or the unlatching that described host electronic equipment configuration keeps the modules of described subelement 2U1 and described subelement 2U2, continues call, but can only converse with monophony, now described bluetooth earphone module 2F3 automatically enters and manually boots standby condition.
Sectional type mode of operation 2): afterwards, described subelement 2U1 disconnection is connected with described subelement 2U2's, and the connector of described the first link U2I does not connect the corresponding connector of described the second link UIO.The detecting module 213 of described subelement 2U1 detects described subelement 2U1 and disconnects and being connected of described subelement 2U2, and notifies described host electronic equipment and each connected module; The second detecting module 222 of described subelement 2U2 detects described subelement 2U1 and disconnects and being connected of described subelement 2U2, and notification interface protocol conversion module 2F2 (this chip is used as the use that USB interface is converted to 8 needle interfaces).If in the time that described subelement 2U1 disconnects with being connected of described subelement 2U2, wired earphone is in talking state, described subelement 2U1 continues maintenance talking state.Described subelement 2U2 can independently use, and the described subelement 2U3 originally extracting also independently uses.
Sectional type mode of operation 3): described subelement 2U1 is disconnected and being connected of described subelement 2U2, described subelement 2U2 disconnection is connected with described subelement 2U3's, the connector of described the first link U2I does not connect the corresponding connector of described the second link UIO, and the connector of described the first link U3I does not connect the corresponding connector of described the second link U2O.The detecting module of described subelement 2U1 detects described subelement 2U1 and disconnects and being connected of described subelement 2U2, and notifies described host electronic equipment and each connected module.The second detecting module 222 of described subelement 2U2 detects described subelement 2U1 and disconnects and being connected of described subelement 2U2, and notifies conversion chip and described bluetooth earphone module 2F3.If in the time extracting, wired earphone is in talking state:
Described subelement 2U3 is closed in described host electronic equipment configuration, described bluetooth earphone module 2F3 starts automatically, and drive the HPL mouth of described bluetooth earphone module 2F3 to a described audible component 12, start the microphone of described bluetooth earphone module 2F3, realize call with the described host electronic equipment matching, this is " hot drawing " function, realizes wired call to the bumpless transfer of wireless communication;
Or, described host electronic equipment configures the unlatching that described host electronic equipment configuration keeps the modules of described subelement 2U1, continue call, but can only converse with monophony, now described bluetooth earphone module 2F3 automatically enters and manually boots standby condition, and described subelement 2U2 enters interface conversion state.
In like manner, in the present embodiment, described in the connector of last described subelement and rear, the connected mode of the connector of subelement is not done concrete restriction, for example, the connector of subelement described in one after the connector of last described subelement can connect by contact pin structure, and for example, the connector of subelement described in one after the connector of last described subelement also can connect by USB interface structure, for another example, the connector of subelement described in one after the connector of last described subelement also can connect by conductor structure, etc., as long as can realize the signal conduction of the first link of subelement described in second link and rear of last described subelement, also within thought range of the present utility model, this is what it will be appreciated by those skilled in the art that, therefore not to repeat here.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if these amendments of the present utility model and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (22)
1. an audio transmission circuit, for transmission of audio signal, it is characterized in that, described audio transmission circuit comprises audio jack, an audible component and n subelement, described audio jack and audible component realize signal conduction by described subelement, described at least one, subelement comprises that one can complete the functional module of preset function, wherein, and n >=2;
Described in each, subelement includes the first link and the second link;
After the second link selectivity of last described subelement connects, the first link of subelement described in, realizes the signal conduction between described subelement.
2. audio transmission circuit as claimed in claim 1, it is characterized in that, described the first link and described the second link respectively comprise at least one connector, after the second link of last described subelement connects described in one when the first link of subelement, the connector electric connection of the connector of described the first link and corresponding described the second link.
3. audio transmission circuit as claimed in claim 2, it is characterized in that, described in each, in subelement, described the first link comprises a first signal connector, described the second link comprises a secondary signal connector, and described first signal connector and secondary signal connector electrically conduct;
After the second link of last described subelement connects described in one when the first link of subelement, the first signal connector electric connection of subelement described in the secondary signal connector of last described subelement and rear.
4. audio transmission circuit as claimed in claim 3, it is characterized in that, described audio transmission circuit also comprises an acoustic signal line, a described acoustic signal line comprises first paragraph and second segment, one end of described first paragraph connects described audio jack, the other end of described first paragraph connects the first signal connector of the 1st described subelement, and one end of described second segment connects a described audible component, and the other end of described second segment connects the secondary signal connector of n described subelement.
5. audio transmission circuit as claimed in claim 3, is characterized in that, described in each, the first link of subelement all also comprises the first microphone connector, and the second link of i described subelement also comprises second microphone connector;
In i described subelement, described the first microphone connector and second microphone connector electrically conduct;
After the second link of last described subelement connects described in one when the first link of subelement, the first microphone connector electric connection of subelement described in the second microphone connector of last described subelement and rear;
Described audio transmission circuit also comprises a microphone signal line, and one end of described microphone signal line connects described audio jack, and the other end of described microphone signal line connects the first microphone connector of the 1st described subelement, 1≤i≤n-1.
6. audio transmission circuit as claimed in claim 5, it is characterized in that, described audio transmission circuit also comprises the first line traffic control module, and described the first line traffic control module is arranged in a described subelement, and described the first line traffic control module is connected with the first microphone connector of the described subelement at its place.
7. audio transmission circuit as claimed in claim 6, it is characterized in that, described audio transmission circuit also comprises the first detecting module, described the first detecting module and described the first line traffic control module are arranged in same described subelement, described the first detecting module is surveyed the described subelement at its place and the connection of adjacent described subelement, and gives described the first line traffic control module by the first result of detection.
8. audio transmission circuit as claimed in claim 6, it is characterized in that, described audio transmission circuit also comprises at least one the second line traffic control module, described the second line traffic control module is arranged in different described subelements from described the first line traffic control module, and described the second line traffic control module is connected with the first microphone connector of the described subelement at its place.
9. audio transmission circuit as claimed in claim 8, it is characterized in that, described audio transmission circuit also comprises the second detecting module, described the second detecting module is arranged in same described subelement with corresponding described the second line traffic control module, described the second detecting module is surveyed the described subelement at its place and the connection of adjacent described subelement, and the second result of detection is issued to the second line traffic control module of described the second detecting module place subelement.
10. audio transmission circuit as claimed in claim 8, is characterized in that, k described subelement comprises described the second line traffic control module and described functional module, and in k described subelement, described the second line traffic control module is connected with described functional module, 1≤k≤n.
11. audio transmission circuits as claimed in claim 10, is characterized in that, n described subelement comprises described functional module, and in n described subelement, described functional module comprises bluetooth earphone module.
12. audio transmission circuits as claimed in claim 11, it is characterized in that, n-1 described subelement also comprises described functional module, in n-1 described subelement, described functional module comprises battery module, the second link of n-1 described subelement also comprises a battery output connecting head, described battery module connects described battery output connecting head, the first link of n described subelement also comprises a battery input connector, and described battery input connector connects described bluetooth earphone module;
In the time that the second link of n-1 described subelement connects the first link of n described subelement, described battery input connector and described battery output connecting head electrically conduct.
13. audio transmission circuits as claimed in claim 11, it is characterized in that, n-1 described subelement also comprises described functional module, in n-1 described subelement, described functional module comprises interface protocol modular converter, the second link of n-1 described subelement also comprises a first kind interface connector, the first link of n-1 described subelement also comprises a Second Type interface connector, described interface protocol modular converter connects respectively described first kind interface connector and Second Type interface connector, the first link of n described subelement also comprises the interface connector of described bluetooth earphone module,
In the time that the second link of n-1 described subelement connects the first link of n described subelement, the interface connector of described bluetooth earphone module and described first kind interface connector are connected.
14. audio transmission circuits as claimed in claim 11, it is characterized in that, n described subelement also comprises power management module, and described power management module connects described bluetooth earphone module, and described power management module also connects described first signal connector and/or the first microphone connector.
15. audio transmission circuits as claimed in claim 5, is characterized in that, described audio transmission circuit also j described subelement also comprises microphone module, and described microphone module connects the first microphone connector of j described subelement, 1≤j≤n.
16. audio transmission circuits as claimed in claim 3, it is characterized in that, described in each in subelement, described the first link also comprises the first ground signalling connector, described the second link also comprises the second ground signalling connector, and described the first ground signalling connector and described the second ground signalling connector electrically conduct;
After the second link of last described subelement connects described in one when the first link of subelement, the first ground signalling connector electric connection of subelement described in the second ground signalling connector and rear of last described subelement.
17. audio transmission circuits as claimed in claim 1, is characterized in that, described audio transmission circuit also comprises at least one control button, and described control button and described audio jack electrically conduct.
18. audio transmission circuits as claimed in claim 17, is characterized in that, at least the m described subelement comprises described control button and described functional module, in m described subelement, described control button is connected with described functional module, to control described functional module, 1≤m≤n.
19. audio transmission circuits as claimed in claim 17, it is characterized in that, described audio transmission circuit also comprises the first line traffic control module, described the first line traffic control module is arranged in a described subelement, described the first line traffic control module and described audio jack electrically conduct, described control button first connects described the first line traffic control module, electrically conducts by described the first line traffic control module and described audio jack.
20. audio transmission circuits as claimed in claim 17, it is characterized in that, described control button is arranged at least one described subelement, described the first link comprises that one first controls button connector at least partly, described the second link comprises that one second controls button connector at least partly, control button connector and second by described first and control button connector, realize the control push button signalling conducting between described subelement.
21. audio transmission circuits as claimed in claim 1, it is characterized in that, described functional module comprises one or more in flash memory module, audio codec module, interface protocol modular converter, sensor assembly, wireless transmit/receive units module, battery module and CPU.
22. audio transmission circuits as claimed in claim 1, it is characterized in that, described audio transmission circuit also comprises another audible component and another acoustic signal line, and described another audible component is the signal conduction with described audio jack by described another acoustic signal line realization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368767.5U CN204014026U (en) | 2014-07-04 | 2014-07-04 | Audio transmission circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368767.5U CN204014026U (en) | 2014-07-04 | 2014-07-04 | Audio transmission circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204014026U true CN204014026U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420368767.5U Withdrawn - After Issue CN204014026U (en) | 2014-07-04 | 2014-07-04 | Audio transmission circuit |
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| CN (1) | CN204014026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016000611A1 (en) * | 2014-07-04 | 2016-01-07 | 王玮冰 | Audio transmission circuit |
| CN108197060A (en) * | 2018-01-30 | 2018-06-22 | 努比亚技术有限公司 | USB interface conversion equipment, method and mobile terminal |
-
2014
- 2014-07-04 CN CN201420368767.5U patent/CN204014026U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016000611A1 (en) * | 2014-07-04 | 2016-01-07 | 王玮冰 | Audio transmission circuit |
| CN105323676A (en) * | 2014-07-04 | 2016-02-10 | 杭州纳雄科技有限公司 | Audio transmission circuit |
| CN105323676B (en) * | 2014-07-04 | 2019-05-03 | 杭州纳雄科技有限公司 | Audio transmission circuit |
| CN108197060A (en) * | 2018-01-30 | 2018-06-22 | 努比亚技术有限公司 | USB interface conversion equipment, method and mobile terminal |
| CN108197060B (en) * | 2018-01-30 | 2022-06-28 | 深圳市启迈电子科技有限公司 | USB interface conversion device and method and mobile terminal |
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