CN202679578U

CN202679578U - Earphone with antenna

Info

Publication number: CN202679578U
Application number: CN 201220293704
Authority: CN
Inventors: 王译锋; 陈一锋; 林建铭; 郑东育
Original assignee: Wieson Technologies Dong Guan co ltd
Current assignee: Wieson Technologies Dong Guan co ltd
Priority date: 2012-02-02
Filing date: 2012-06-20
Publication date: 2013-01-16
Anticipated expiration: 2022-06-20
Also published as: CN103248975A; TW201334572A

Abstract

The utility model provides an earphone with antenna, including the plug, signal line and earphone, this plug is including insulating pedestal and the spliced terminal that extends by insulating pedestal one side, at least including signal contact and common contact on its spliced terminal, and spliced terminal electric connection is in first signal line, its first signal line includes by the signal line at least, the inner core wire that the earth connection formed, and be equipped with the outer cladding layer that has antenna and ground connection function in inner core wire periphery, first signal line other end electric connection is in the transfer circuit board that has the shell, second signal line and earphone, be equipped with the setting of the outer cladding layer that has antenna and ground connection function simultaneously through this kind of inner core wire periphery in first signal line, can make whole reach simple and easy structure, sensitivity is high, the better efficiency of anti-interference characteristic.

Description

Earphone with antenna

Technical field

The utility model provides a kind of earphone with antenna, espespecially the inner core wire is arranged with the outer coating layer of conductor outward in the first signal line of earphone, coating layer has antenna and grounding function simultaneously in addition, and be aided with the changeable one-tenth antenna function of diverter switch or antenna and add earphone and add microphone function, reach simple structure, highly sensitive with this, the effect of the better and changeable function of noiseproof feature.

Background technology

Development along with wireless telecommunications, from transmit and receive in early days the broadcasting channel with sound by electromagnetic wave, such as FM(Frequency Modulation) broadcasting channel and AM(Amplitude Modulation) broadcasting channel, and then develop and can and receive the broadcasting channel with sound and image by the electromagnetic wave transmission, such as VHF(Very High Frequency) broadcasting channel and UHF(Ultra High Frequency) broadcasting channel.And various consumption electronic products also along with the demand in market from only receiving in early days FM broadcasting channel and AM broadcasting channel to further receiving in recent years VHF channel and UHF channel.

In early days, be subject to the development of Display Technique, the above-mentioned consumption electronic products Source Music that can receive multiple broadcasting channel and automobile-used TV etc. all have sizable volume and mostly are installed on automobile or the locomotive, and cooperate the antenna of these consumption electronic products also to have sizable volume and great majority all are arranged on automobile or the locomotive.Yet, along with making rapid progress of Display Technique, in recent years digital television function is integrated on the mobile phone of display screen of high picture element, become a main trend of mobile phone development, the wireless signal specification of its Digital Television specification comprises DVBT (Digital Video Broadcasting Television), ATSC (Advanced Television Systems Committee), ISDB (Integrated Services Digital Broadcasting), CMMB (China Mobile multimedia broadcasting system) etc., in order to make above-mentioned small-sized consumption electronic products can pass through its display screen broadcast from sound and the image of multiple broadcasting channel, therefore need a kind of antenna, it has less volume, and can cooperate above-mentioned mobile phone towards compact development to carry, and can receive the electromagnetic signal from multiple broadcasting channel, if be integrated in the mobile phone but mobile phone will be used for the antenna equipment of receiving digital television frequency range, this measure certainly will increase the volume of mobile phone and so that the mobile phone design is more complicated.

Yet, be provided with to receive the FM antenna of FM frequency range wireless signal in the earphone connecting line cable of existing earphone between headset plug and loudspeaker, be arranged side by side with the FM antenna and be used for the voice transmission line of voice signal in earphone connecting line, this existing earphone possesses the loudspeaker broadcast and receives the function of FM frequency range wireless signal.This FM antenna is a metal wire, be arranged in the earphone connecting line cable, switch to the FM broadcast reception in mobile phone, the FM antenna transfers to the wireless signal of the FM frequency range of intercepting and capturing in the mobile phone by headset plug, but this kind practice and broadband signal that can't the receiving digital television frequency range, and it is poor and easily be disturbed to receive signal quality, just be connected to again the use of larger area circuit board antenna after having manufacturer to change above-mentioned metal antenna into general transmission line, but the overall volume of this kind mode is larger, and be not suitable for now on the earphone of the mobile phone of compact development trend, using, to how to make existing earphone in cable, be provided with the broadband signal antenna that can be used to the receiving digital television frequency range, in fact remain to be engaged in this journey dealer and redesign effectively and solved.

Summary of the invention

For the deficiencies in the prior art, the purpose of this utility model is: a kind of earphone with antenna is provided, solves the larger problem of volume that existing structure exists.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of earphone with antenna includes plug, holding wire and earphone, it is characterized in that:

This plug includes insulating base frame and by the extended inserting terminal of insulating base frame one side, this inserting terminal is provided with signal contact and shares contact, has simultaneously ground connection and antenna function and share contact; And

This holding wire is electrically connected at each contact of the inserting terminal of plug, and extend the first signal line by the insulating base frame place, be provided with the inner core wire that is formed by holding wire, earth connection in this first signal line, and outside the inner core wire, be arranged with the outer coating layer with antenna and grounding function, outer coating layer then is provided with insulating barrier outward, it is inner that this first signal line one end is arranged in this insulating base frame, the other end is electrically connected with the chlamydate switching circuit board of tool, and this switching circuit board is electrically connected at the secondary signal line; And

This earphone is electrically connected at switching circuit board.

Should outer coating layer be wire sheathing, or be the rolled wire around inner core wire outside.

Further be provided with the microphone contact on the inserting terminal of this plug, and the first signal line is provided with the microphone lines that is electrically connected with the microphone contact in the holding wire, this microphone lines then is connected with the microphone set up on the switching circuit board.

This switching circuit board is provided with and can switches to antenna function or antenna adds the diverter switch that earphone adds microphone function.

Further be provided with volume switch on this secondary signal line.

This secondary signal line is provided with joint, and switching circuit board then is provided with joint and is the connector that the plug pattern is connected.

This switching circuit board is provided with and can switches to the diverter switch that antenna function or antenna add the earphone function.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:

At least comprise signal contact on the inserting terminal of the present utility model and share contact, and the first signal line comprises at least by holding wire, the inner core wire that earth connection forms, its inner core wire is arranged with the outer coating layer with antenna and grounding function outward, coating layer can be the wire rods such as wire sheathing (Braid) or rolled (Spiral) wire and consists of outside the inner core wire in addition, in the first signal line, be arranged with the setting of the outer coating layer that has simultaneously antenna and grounding function outside the inner core wire by this kind, can make integral body reach simple structure, the effect highly sensitive, that noiseproof feature is better.

The utility model utilizes on the switching circuit board of first signal line the changeable one-tenth antenna function of diverter switch or antenna to add earphone to add microphone function, can allow the user select to use on the difference in functionality according to virtual condition by this kind structure, reach the effect that changeable function is used with this.

The joint of secondary signal line of the present utility model and the connector of switching circuit board are for can plug the electric connection that separates, when diverter switch switches to antenna function on the switching circuit board that utilizes the first signal line, can pull out on the connector of joint by switching circuit board with the secondary signal line, and then can form the effect that separate antenna uses.

Description of drawings

Fig. 1 is stereo appearance figure of the present utility model;

Fig. 2 is three-dimensional exploded view of the present utility model;

Fig. 3 is the profile of the utility model first signal line;

Fig. 4 is the side-looking generalized section of the utility model plug and first signal line.

Description of reference numerals: 1-plug; The 11-insulating base frame; 122-microphone contact; The 12-inserting terminal; 123-shares contact; The 121-signal contact; The 2-holding wire; 21-first signal line; 22-secondary signal line; 211-inner core wire; The 221-joint; The 2111-holding wire; The 23-switching circuit board; The 2112-microphone lines; The 230-shell; The 2113-earth connection; The 231-diverter switch; The outer coating layer of 212-; The 232-connector; The 213-insulating barrier; The 233-volume switch; The 3-earphone.

Embodiment

For reaching above-mentioned purpose and effect, the technological means that the utility model adopts and structure thereof, hereby drawing illustrates in detail that with regard to preferred embodiment of the present utility model its features and functions is as follows, is beneficial to understand fully.

See also Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, it is the side-looking generalized section of profile and plug and the first signal line of stereo appearance figure of the present utility model, three-dimensional exploded view, first signal line, find out by knowing among the figure, the utility model includes the holding wire 2 of plug 1, plug 1 connection and the earphone 3 that holding wire 2 connects, wherein:

This plug 1 includes insulating base frame 11 and reaches by the extended inserting terminal 12 of insulating base frame 11 1 sides, its inserting terminal 12 is provided with signal contact 121, microphone contact 122 and shares contact 123, have simultaneously ground connection and antenna function and share contact 123, and the position of each contact adjust for complying with actual operating position on the inserting terminal 12.

This holding wire 2 is electrically connected at each contact of the inserting terminal 12 of plug 1, and first signal line 21 is extended at 11 places by insulating base frame, be provided with holding wire 2111 in this first signal line 21, microphone lines 2112, earth connection 2113 forms inner core wire 211, and outside inner core wire 211, be arranged with the outer coating layer 212 with antenna and grounding function, the outer coating layer 212 outer insulating barriers 213 that then are provided with, in addition, first signal line 21 1 ends are arranged in this insulating base frame 11 inside, the other end is electrically connected with the switching circuit board 23 with shell 230, this switching circuit board 23 is provided with diverter switch 231, microphone (not shown) and a connector 232, and with the joint 221 of secondary signal line 22 and the electric connection of connector 232 plug patterns, continue in secondary signal line 22 and be provided with volume switch 233 and earphone 3.

The above-mentioned outer coating layer 212 of the utility model can be the wire rods such as wire sheathing (Braid) or rolled (spiral) wire and consists of around inner core wire 211 outsides, and the length of outer coating layer 212 better enforcements is the quarter-wave of UHF (Ultra High Frequency), but because integral body need to be allocated frequency receiving intensity and impedance matching relation, so can make length adjustment according to actual needs, use to determine its optimal length.

The above-mentioned outer coating layer 212 of the utility model has antenna and grounding function simultaneously, as transmission system for example with DVBT (Digital Video Broadcasting Television), mention the signal from comprehensive multi-angle in its advantage, by detecting, but as long as in allowed band, interference source all can be as the signal that receives, namely anti-multipath (Multipath) interference performance is strong, so utilize the length allotment of outer coating layer 212, the effect of can reach highly sensitive in fact, noiseproof feature is better.

The utility model is when using, can utilize on the switching circuit board 23 of first signal line 21 diverter switch 231 to switch to antenna function or antenna adds earphone 3 and microphone (not shown) function, when if the user does not use earphone 3 function, just diverter switch 231 can be switched to simple antenna function, also can further pull out on the connector 232 of joint 221 by switching circuit board 23 with secondary signal line 22, and then can form the separate antenna use, and when the user switches to antenna and adds earphone 3 with microphone function, the volume of its volume switch 233 capable of regulating earphones 3 uses, can allow the user select to use on the difference in functionality according to virtual condition by this kind structure, reach the effect that changeable function is used with this.

Above-mentioned earphone 3 in the utility model for showing left and right sound channels, but in fact also can be monophony uses, in addition, its diverter switch 231 is that changeable one-tenth antenna function or antenna add earphone 3 and microphone (not shown) function, but microphone (not shown) function can be according to the actual needs setting, so, above-mentioned simple and easy variation with modify change, all should be contained in the claim that the utility model contains.

Above explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, in the situation that does not break away from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but all will fall within the protection range of the present utility model.

Claims

1. the earphone with antenna includes plug, holding wire and earphone, it is characterized in that:

This earphone is electrically connected at switching circuit board.

2. described earphone with antenna according to claim 1, it is characterized in that: this outer coating layer is wire sheathing, or is the rolled wire around inner core wire outside.

3. described earphone with antenna according to claim 1, it is characterized in that: further be provided with the microphone contact on the inserting terminal of this plug, and the first signal line is provided with the microphone lines that is electrically connected with the microphone contact in the holding wire, and this microphone lines then is connected with the microphone set up on the switching circuit board.

4. described earphone with antenna according to claim 3 is characterized in that: this switching circuit board is provided with and can switches to antenna function or antenna adds the diverter switch that earphone adds microphone function.

5. described earphone with antenna according to claim 1 is characterized in that: further be provided with volume switch on this secondary signal line.

6. described earphone with antenna according to claim 1, it is characterized in that: this secondary signal line is provided with joint, and switching circuit board then is provided with joint and is the connector that the plug pattern is connected.

7. described earphone with antenna according to claim 1 is characterized in that: this switching circuit board is provided with and can switches to the diverter switch that antenna function or antenna add the earphone function.