CN201629592U

CN201629592U - Charger, mobile terminal and device with frequency modulating antenna

Info

Publication number: CN201629592U
Application number: CN201020129841XU
Authority: CN
Inventors: 焦亚林; 张忠健; 王爱猛
Original assignee: Huawei Device Co Ltd
Current assignee: Huawei Device Co Ltd
Priority date: 2010-03-10
Filing date: 2010-03-10
Publication date: 2010-11-10
Anticipated expiration: 2020-03-10

Abstract

The utility model discloses a charger, a mobile terminal and a device with a frequency modulating antenna, which belong to the communication field. The device at least comprises an FM antenna, a mobile terminal and a charger matching with the mobile terminal, the mobile terminal is provided with an FM receiving module, the FM antenna is disposed inside the charger and electrically connected with an earth wire of a charging circuit of the charger, and the FM receiving module is electrically connected with an earth wire of a charging circuit of the mobile terminal. The charger and the mobile terminal which are further disclosed resolve problems of hand-free playing on a condition without earphones, and the FM antenna is separated from terminal equipment so that the terminal equipment is more flexible in structure and the FM antenna is not limited by the structure and size of the mobile terminal, thereby expanding application range of the FM antenna.

Description

Device, charger and portable terminal with frequency-modulated antenna

Technical field

The utility model relates to the communications field, particularly a kind of device, charger and portable terminal with frequency-modulated antenna.

Background technology

In the growing epoch of radio communication, the use of mobile terminal device is more and more universal, FM (frequency modulation, frequency modulation) become the indispensable function of most of mobile terminal devices, loop aerial, structure back cover that the FM antenna of existing mobile terminal device generally adopts earphone, PCB (printed circuit board, printed circuit board (PCB)) antenna, ferrite to do inner core are made antenna.

After prior art was analyzed, the inventor found that prior art has following shortcoming at least:

1, for using hand-free function or not having the terminal equipment of earphone, can't adopt earpiece audio line or ground wire to make antenna, this antenna applications scope is narrow.

2, loop aerial is to utilize ferrite to do inner core, and on ferrite, because the restriction of terminal equipment bulk, device is difficult with enamelled wire.

3, to make antenna be a kind of comparatively novel antenna to the structure back cover, walks the cabling of definite shape at the structural member back cover, and last ground connection is as the FM antenna, and this antenna weares and teares easily, influences the FM performance.

The utility model content

The utility model embodiment provides a kind of device, charger and portable terminal with frequency-modulated antenna.Described technical scheme is as follows:

A kind of device, described device with frequency-modulated antenna comprise at least FM antenna, portable terminal, with the adaptive charger of described portable terminal, described portable terminal is provided with the FM receiver module; Described FM antenna is arranged in the described charger, and is electrically connected the ground wire of the charging circuit of described charger; Described FM receiver module is electrically connected the ground wire of the charging circuit of described portable terminal.

A kind of charger comprises charging circuit, and described charging circuit has ground wire, also comprises the FM antenna, and described FM antenna is electrically connected the ground wire of described charging circuit.

A kind of portable terminal comprises FM receiver module and charging circuit, and described charging circuit has ground wire, and described FM receiver module is electrically connected the ground wire of described portable terminal charging circuit.

The beneficial effect of the technical scheme that the utility model embodiment provides is:

Combine by FM antenna and charger, both solved in the problem that does not have hands-free broadcast FM under the earphone situation, again FM antenna and terminal equipment had been broken away from, and made the terminal equipment structure more flexible, also make the FM antenna not be subjected to the restriction of mobile terminal structure and size, enlarge the range of application of FM antenna.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is that the utility model embodiment provides a kind of structural representation when having the device user mode of frequency-modulated antenna;

Fig. 2 is another kind that the utility model embodiment the provides structural representation when having the device user mode of frequency-modulated antenna;

Fig. 3 is the structural representation of a kind of charger of providing of the utility model embodiment;

Fig. 4 is the structural representation of the another kind of charger that provides of the utility model embodiment;

Fig. 5 is the structural representation of a kind of portable terminal of providing of the utility model embodiment;

Fig. 6 is the structural representation of the another kind of portable terminal that provides of the utility model embodiment.

Embodiment

For making the purpose of this utility model, technical scheme and advantage clearer, the utility model execution mode is described in further detail below in conjunction with accompanying drawing.

In order to make the FM antenna not be subjected to the restriction of mobile terminal structure and size, enlarge the range of application of FM antenna, the utility model embodiment provides a kind of device with frequency-modulated antenna, referring to Fig. 1, this device comprises FM antenna 1, portable terminal 2, the charger 3 adaptive with portable terminal 2, and this portable terminal 2 is provided with FM receiver module 22; FM antenna 1 is arranged in the charger 3, and is electrically connected the ground wire 31 of the charging circuit of charger 3; FM receiver module 22 is electrically connected the ground wire 21 of the charging circuit of portable terminal 2.When portable terminal 2 is connected with charger 3, FM antenna 1 receives the FM signal, the FM signal enters portable terminal 2 by the ground wire 31 of the charging circuit of charger 3, charging circuit through portable terminal 2 sides and charger 3 couplings enters in the FM receiver module 22 again, through the demodulation speech processes, the loudspeaker apparatus that exports on the portable terminal 2 is play.

The utility model embodiment also provides a kind of device with frequency-modulated antenna, and referring to Fig. 2, this device comprises FM antenna 4, portable terminal 5, charger 6 and the power supply adaptor 7 adaptive with portable terminal 5 at least, and this portable terminal 5 is provided with FM receiver module 52; FM antenna 4 is arranged in the charger 6, and is electrically connected the ground wire 61 of the charging circuit of charger 6; FM receiver module 52 is electrically connected the ground wire 51 of the charging circuit of portable terminal 5.Also be in series with radio frequency chokes module 53 on the charging circuit ground wire 51 of portable terminal 5, radio frequency chokes module 53 is arranged between other circuit of FM receiver module 52 and portable terminal 5.This radio frequency chokes module 53 is isolated with other circuit of portable terminal 5 with FM antenna 4, avoids the FM signal energy to leak in the portable terminal 5.Power supply adaptor 7 is electrically connected the charging circuit of charger 6; Also be in series with radio frequency chokes module 62 on the charging circuit ground wire 61 of charger 6, radio frequency chokes module 62 is arranged between FM antenna 4 feedbacks point and the power supply adaptor 7, this radio frequency chokes module 62 is isolated with the circuit of the power supply adaptor 7 that FM antenna 4 is connected with front end, avoids the FM signal energy to leak in the power supply adaptor 7.When portable terminal 5 is connected with charger 6, FM antenna 4 receives the FM signal, the FM signal enters portable terminal 5 by the ground wire 61 of the charging circuit of charger 6, charging circuit through portable terminal 5 sides and charger 6 couplings enters in the FM receiver module 52 again, through the demodulation speech processes, the loudspeaker apparatus that exports on the portable terminal 5 is play.

The utility model embodiment also provides a kind of charger A1, referring to Fig. 3, comprises charging circuit 8 and FM antenna 9, and charging circuit 8 has ground wire 81, and FM antenna 9 is electrically connected the ground wire 81 of charging circuit 8.When charger and portable terminal were used, FM antenna 9 received the FM signals, and the FM signal enters portable terminal by the ground wire 81 of the charging circuit 8 of charger.

The utility model embodiment also provides another kind of charger A2, referring to Fig. 4, comprises charging circuit 10, FM antenna 11 and power supply adaptor 12, and charging circuit 10 has ground wire 101, and FM antenna 11 is electrically connected the ground wire 101 of charging circuit 10.Power supply adaptor 12 is electrically connected the charging circuit 10 of charger; Also be in series with a radio frequency chokes module 102 on charging circuit 10 ground wires 101 of charger, radio frequency chokes module 102 is arranged between FM antenna 11 feedbacks point and the power supply adaptor 12.This radio frequency chokes module 102 is isolated with the power supply adaptor 12 that FM antenna 11 is connected with front end, avoids the FM signal energy to leak in the power supply adaptor 12.When charger and portable terminal were used, FM antenna 11 received the FM signals, and the FM signal enters portable terminal by the ground wire 101 of the charging circuit 10 of charger.

The utility model embodiment also provides a kind of portable terminal B1, referring to Fig. 5, comprises FM receiver module 13 and charging circuit 14, and charging circuit 14 has ground wire 141, and FM receiver module 13 is electrically connected the ground wire 141 of portable terminal charging circuit 14.When portable terminal and charger were used, FM receiver module 13 received the FM signal that the charger sides are sent, and through the demodulation speech processes, the loudspeaker apparatus that exports on the portable terminal is play.

The utility model embodiment also provides a kind of portable terminal B2, referring to Fig. 6, comprises FM receiver module 15 and charging circuit 16, and charging circuit 16 has ground wire 161, and FM receiver module 15 is electrically connected the ground wire 161 of portable terminal charging circuit 16.Also be in series with a radio frequency chokes module 162 on charging circuit 16 ground wires 161 of portable terminal, radio frequency chokes module 162 is arranged between other circuit of FM receiver module 15 and portable terminal.When portable terminal and a charger were used, this radio frequency chokes module 162 was isolated with the charging circuit 16 of FM antenna and portable terminal, avoids the FM signal energy to leak in the portable terminal.FM receiver module 15 receives the FM signal that the charger side is sent, and through the demodulation speech processes, the loudspeaker apparatus that exports on the portable terminal is play.

Wherein, the charger in the foregoing description can be seat formula charger or plug-in charger etc., and the utility model embodiment does not do concrete qualification.

Wherein, the FM antenna in the foregoing description can adopt and include but not limited to the PCB antenna, adopt Ferrite Material to make various ways antennas such as the loop aerial of inner core, structural member antenna.

Wherein, the FM receiver module is a prior art, is used for the FM signal demodulation process to receiving, and the loudspeaker apparatus that exports on the portable terminal is play.This FM receiver module can be the chip of independent FM chip circuit or integrated FM receiver and other communication functions.

Wherein, the radio frequency chokes module that links to each other with ground wire has played the effect of open circuit, FM antenna and portable terminal and power supply adaptor are separated respectively, avoid the FM signal energy to leak in portable terminal or the power supply adaptor, this open circuit effect can also realize via other element, include but not limited to choke induction.

Wherein, this power supply adaptor is the part that described charger links to each other with power supply, can be used for high voltage is converted to the low-voltage that is applicable to charger, for example: the external voltage of 220V is converted to the 4.2V voltage that is applicable to charger.

The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims

1. device with frequency-modulated antenna, described device comprise at least FM antenna, portable terminal, with the adaptive charger of described portable terminal, described portable terminal is provided with the FM receiver module; It is characterized in that described FM antenna is arranged in the described charger, and be electrically connected the ground wire of the charging circuit of described charger; Described FM receiver module is electrically connected the ground wire of the charging circuit of described portable terminal.

2. device as claimed in claim 1 is characterized in that, also is in series with radio frequency chokes module on the charging circuit ground wire of described portable terminal, and described radio frequency chokes module is arranged between other circuit of described FM receiver module and described portable terminal.

3. device as claimed in claim 1 is characterized in that, also comprises power supply adaptor, and described power supply adaptor is electrically connected the charging circuit of described charger; Also be in series with radio frequency chokes module on the charging circuit ground wire of described charger, described radio frequency chokes module is arranged between described FM antenna feed point and the described power supply adaptor.

4. as each described device of claim 1 to 3, it is characterized in that described charger is seat formula charger or plug-in charger.

5. as each described device of claim 1 to 3, it is characterized in that described FM antenna comprises the PCB antenna, adopts Ferrite Material to do loop aerial, the structural member antenna of inner core.

6. a charger comprises charging circuit, and described charging circuit has ground wire, it is characterized in that, also comprises the FM antenna, and described FM antenna is electrically connected the ground wire of described charging circuit.

7. charger as claimed in claim 6 is characterized in that, also comprises power supply adaptor, and described power supply adaptor is electrically connected the charging circuit of described charger; Also be in series with radio frequency chokes module on the charging circuit ground wire of described charger, described radio frequency chokes module is arranged between described FM antenna feed point and the described power supply adaptor.

8. as claim 6 or 7 described chargers, it is characterized in that described charger comprises a formula charger or a plug-in charger.

9. a portable terminal comprises FM receiver module and charging circuit, and described charging circuit has ground wire, it is characterized in that, described FM receiver module is electrically connected the ground wire of described portable terminal charging circuit.

10. portable terminal as claimed in claim 9 is characterized in that, also is in series with radio frequency chokes module on the charging circuit ground wire of described charger, and described radio frequency chokes module is arranged between other circuit of described FM receiver module and described portable terminal.