CN201550105U - Terminal and system using power line as wireless receiving antenna - Google Patents

Terminal and system using power line as wireless receiving antenna Download PDF

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Publication number
CN201550105U
CN201550105U CN2009202606307U CN200920260630U CN201550105U CN 201550105 U CN201550105 U CN 201550105U CN 2009202606307 U CN2009202606307 U CN 2009202606307U CN 200920260630 U CN200920260630 U CN 200920260630U CN 201550105 U CN201550105 U CN 201550105U
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China
Prior art keywords
circuit
radio receiver
power line
input
power system
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2009202606307U
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Chinese (zh)
Inventor
陈恩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Device Co Ltd
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Huawei Device Co Ltd
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Filing date
Publication date
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Priority to CN2009202606307U priority Critical patent/CN201550105U/en
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Publication of CN201550105U publication Critical patent/CN201550105U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model provides wireless receiving equipment, which saves the space of wireless equipment and avoids the trouble of a user using headphones at the same time. The equipment comprises a high-pass filter circuit, a receiving front-end and demodulation circuit and a power supply system, wherein the input end of the high-pass filter circuit and the input end of the power supply system are respectively communicated with the power line of the wireless receiving equipment; the input end of the receiving front-end and demodulation circuit is connected with the output end of the high-pass filter circuit; and the output end of the receiving front-end and demodulation circuit and the output end of the power supply system are respectively communicated with other circuits of the wireless receiving equipment. The receiving front-end and demodulation circuit is used for outputting a demodulated wireless receiving signal, and the power supply system is used for supplying power for the wireless receiving equipment or charging an energy storing device of the wireless receiving equipment. The utility model also provides a wireless receiving system.

Description

With the power line is the terminal and the system of wireless receiving antenna
Technical field
The utility model relates to communication technical field, and particularly a kind of is the terminal and the system of wireless receiving antenna with the power line.
Background technology
The antenna of existing radio receiver has two kinds of forms usually, and a kind of is that ad hoc antenna is arranged, and as PIFA antenna, monopole antenna etc., another kind then is to use earphone cord as antenna, all adopts this design when present a lot of broadcast receivers and mobile phone broadcast listening.Before a kind of space that can take on the radio receiver of designing, influence the miniaturization of equipment, a kind of design afterwards needs the user to buy earphone, pays extra old, and the user is subject to the earphone line length in use, can't freely do other things.
The utility model content
An embodiment of the present utility model provides a kind of radio receiver, to save the space of wireless device, avoids the user to use the trouble of earphone simultaneously.Described equipment comprises:
High-pass filtering circuit, receiving front-end and demodulator circuit, electric power system;
The input of described high-pass filtering circuit and the input of described electric power system respectively with the power line electric connection of described radio receiver, the input of described receiving front-end and demodulator circuit links to each other with the output of described high-pass filtering circuit, and the output of described receiving front-end and demodulator circuit and the output of described electric power system are connected respectively to other circuit of described radio receiver;
Wherein, described receiving front-end and demodulator circuit are used to export the wireless receiving signal after the demodulation, and described electric power system is used to described radio receiver power supply or is the energy storage device charging of described radio receiver.
Another embodiment of the present utility model provides a kind of wireless receiving system, comprising:
Radio receiver and power line;
One end of described power line links to each other with power supply unit, and the other end links to each other with described radio receiver;
Described radio receiver comprises:
High-pass filtering circuit, receiving front-end and demodulator circuit, electric power system;
The input of described high-pass filtering circuit and the input of described electric power system respectively with described power line electric connection, the input of described receiving front-end and demodulator circuit links to each other with the output of described high-pass filtering circuit, and the output of described receiving front-end and demodulator circuit and the output of described electric power system are connected respectively to other circuit of described radio receiver;
Wherein, described receiving front-end and demodulator circuit are used to export the wireless receiving signal after the demodulation, and described electric power system is used to described radio receiver power supply or is the energy storage device charging of described radio receiver.
Equipment that the utility model embodiment provides and system, multiplexing power line has been saved the space of radio receiver as antenna, be convenient to the miniaturization of equipment, has exempted the trouble that the user uses earphone cord simultaneously, has improved user's experience.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present utility model;
Fig. 2 is a kind of circuit diagram of high-pass filtering circuit;
Fig. 3 is a kind of circuit diagram of low-pass filter circuit.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
Fig. 1 is the structural representation of an embodiment of the present utility model.As shown in the figure, radio receiver 101 links to each other with power supply unit 100 by power line 102, radio receiver 101 comprises high-pass filtering circuit 1010, low-pass filter circuit 1011, receiving front-end and demodulator circuit 1012, electric power system 1013 and other circuit 1015, the input of the input of high-pass filtering circuit 1010 and low-pass filter circuit 1011 respectively with power line 102 electric connections, the input of receiving front-end and demodulator circuit 1012 links to each other with the output of high-pass filtering circuit 1010, the input of electric power system 1013 links to each other with the output of low-pass filter circuit 1011, and the output of receiving front-end and demodulator circuit 1012 and the output of electric power system 1013 are connected respectively to other circuit 1015 of radio receiver 101.Wherein, receiving front-end and demodulator circuit 1012 are used to export the wireless receiving signal after the demodulation, and electric power system 1013 is used to radio receiver 101 power supplies or is energy storage device (as the battery) charging of radio receiver 101.
After the wireless receiving signal enters power line, be mixed into a composite signal with charging current, composite signal arrives the interface of receiving terminal and power line along the power line transmission, said composite signal is divided into two, enter high-pass filtering circuit 1010 and low-pass filter circuit 1011 respectively, after process high-pass filtering circuit 1010, low frequency part in the described composite signal (mainly being from charging current) is by filtering, and HFS (mainly being from the wireless receiving signal) then enters receiving front-end and demodulator circuit 1012 demodulation; And after process low-pass filter circuit 1011, HFS in the described composite signal (mainly being from the wireless receiving signal) is by filtering, and low frequency part (mainly being from charging current) is then given radio receiver 101 power supplies by electric power system 1013 or is energy storage device (as the battery) charging of radio receiver 101.
Among the embodiment of the present utility model, high-pass filtering circuit 1010 can be any high-pass filtering circuit, the simplest situation is exactly an independent electric capacity, can certainly be other comparatively complicated filter circuits, for example shown in Figure 2 is a typical L type high-pass filtering circuit, and capacitor C links to each other the other end and power line electric connection with the parallel connected end of inductance L with receiving front-end and demodulator circuit 1012, inductance L one end is in parallel with capacitor C, other end ground connection.And low-pass filter circuit 1011 also can be any low-pass filter circuit, the simplest situation is exactly an independent inductance, can certainly be other comparatively complicated filter circuits, for example shown in Figure 3 is a typical L type low-pass filter circuit, the parallel connected end of inductance L and capacitor C and power line electric connection, the other end links to each other with electric power system 1013, and capacitor C one end is in parallel with inductance L, other end ground connection.
It will be appreciated by those skilled in the art that, the effect of low-pass filter circuit 1011 is the HFSs in the filtering supply current, if according to the specification index of radio receiver 101, it is inessential can determining to have in the supply current HFS, and then low-pass filter circuit 1011 also can omit.
Among the above embodiment, radio receiver 101 also can have the function that sends wireless signal simultaneously, specifically can be wireless devices such as broadcast receiver, mobile phone, fixed radio terminal.
An embodiment of the present utility model provides a kind of wireless receiving system, as shown in Figure 1, this system comprises foregoing radio receiver 101 and power line 102, one end of power line 102 links to each other with power supply unit 100, the other end links to each other with radio receiver 101, high-pass filtering circuit 1010 and low-pass filter circuit 1011 respectively with power line 102 electric connections.Power supply unit 100 can be city's electrical outlet, also can be equipment such as PC, power line 102 can be common electric wire, also can be by USB (Universal Serial Bus, USB) the USB connecting line of interface power taking, the perhaps electric wire that other can transmission current.It will be understood by those skilled in the art that length when power line 102 equal or approach to carry described wireless receiving signal electromagnetic wavelength 1/4 the time, the wireless receiving better performances.
Equipment that the utility model embodiment provides and system, multiplexing power line has been saved the space of radio receiver as antenna, be convenient to the miniaturization of equipment, has exempted the trouble that the user uses earphone cord simultaneously, has improved user's experience.
In addition; the technical characterictic that illustrates respectively among each technology, system, device, method and each embodiment that illustrates respectively among the above embodiment can make up; thereby form other the module do not break away within the spirit and principles in the present invention; method, device, system and technology; the module that these combine according to the record of the embodiment of the invention; method, device, system and technology are all within protection scope of the present invention.
More than being preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.

Claims (7)

1. radio receiver comprises:
High-pass filtering circuit, receiving front-end and demodulator circuit, electric power system;
The input of described high-pass filtering circuit and the input of described electric power system respectively with the power line electric connection of described radio receiver, the input of described receiving front-end and demodulator circuit links to each other with the output of described high-pass filtering circuit, and the output of described receiving front-end and demodulator circuit and the output of described electric power system are connected respectively to other circuit of described radio receiver;
Wherein, described receiving front-end and demodulator circuit are used to export the wireless receiving signal after the demodulation, and described electric power system is used to described radio receiver power supply or is the energy storage device charging of described radio receiver.
2. equipment as claimed in claim 1 is characterized in that, also comprises: low-pass filter circuit, and its input and described power line electric connection, its output links to each other with the input of described electric power system.
3. equipment as claimed in claim 1 or 2, it is characterized in that: described high-pass filtering circuit comprises an electric capacity and an inductance, described electric capacity links to each other with described receiving front-end and demodulator circuit with the parallel connected end of described inductance, the other end and described power line electric connection, described inductance one end is in parallel with described electric capacity, other end ground connection.
4. equipment as claimed in claim 2, it is characterized in that: described low-pass filter circuit comprises an electric capacity and an inductance, the parallel connected end of described inductance and described electric capacity and described power line electric connection, the other end links to each other with described electric power system, described electric capacity one end is in parallel with inductance, other end ground connection.
5. wireless receiving system comprises:
Radio receiver and power line;
One end of described power line links to each other with power supply unit, and the other end links to each other with described radio receiver;
Described radio receiver comprises:
High-pass filtering circuit, receiving front-end and demodulator circuit, electric power system;
The input of described high-pass filtering circuit and the input of described electric power system respectively with described power line electric connection, the input of described receiving front-end and demodulator circuit links to each other with the output of described high-pass filtering circuit, and the output of described receiving front-end and demodulator circuit and the output of described electric power system are connected respectively to other circuit of described radio receiver;
Wherein, described receiving front-end and demodulator circuit are used to export the wireless receiving signal after the demodulation, and described electric power system is used to described radio receiver power supply or is the energy storage device charging of described radio receiver.
6. system as claimed in claim 5 is characterized in that, also comprises: low-pass filter circuit, and its input and described power line electric connection, its output links to each other with the input of described electric power system.
7. as claim 5 or 6 described systems, it is characterized in that: the length of described power line equal or approach to carry described wireless receiving signal electromagnetic wavelength 1/4.
CN2009202606307U 2009-11-19 2009-11-19 Terminal and system using power line as wireless receiving antenna Expired - Lifetime CN201550105U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202606307U CN201550105U (en) 2009-11-19 2009-11-19 Terminal and system using power line as wireless receiving antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202606307U CN201550105U (en) 2009-11-19 2009-11-19 Terminal and system using power line as wireless receiving antenna

Publications (1)

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CN201550105U true CN201550105U (en) 2010-08-11

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CN2009202606307U Expired - Lifetime CN201550105U (en) 2009-11-19 2009-11-19 Terminal and system using power line as wireless receiving antenna

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333830A (en) * 2014-10-11 2015-02-04 小米科技有限责任公司 Antenna circuit and electronic equipment
CN107919883A (en) * 2017-11-13 2018-04-17 青岛海信移动通信技术股份有限公司 A kind of antenna assembly and mobile unit applied to mobile unit
CN110544855A (en) * 2018-05-29 2019-12-06 鸿富锦精密工业(武汉)有限公司 power adapter and electronic device including the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333830A (en) * 2014-10-11 2015-02-04 小米科技有限责任公司 Antenna circuit and electronic equipment
CN107919883A (en) * 2017-11-13 2018-04-17 青岛海信移动通信技术股份有限公司 A kind of antenna assembly and mobile unit applied to mobile unit
CN110544855A (en) * 2018-05-29 2019-12-06 鸿富锦精密工业(武汉)有限公司 power adapter and electronic device including the same

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20171130

Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop

Patentee after: HUAWEI terminal (Dongguan) Co., Ltd.

Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No.

Patentee before: Huawei Device Co., Ltd.

TR01 Transfer of patent right
CP01 Change in the name or title of a patent holder

Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province

Patentee after: Huawei Device Co., Ltd.

Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province

Patentee before: HUAWEI terminal (Dongguan) Co., Ltd.

CP01 Change in the name or title of a patent holder
CX01 Expiry of patent term

Granted publication date: 20100811

CX01 Expiry of patent term