CN202737092U - Mobile terminal built-in antenna system and mobile terminal - Google Patents
Mobile terminal built-in antenna system and mobile terminal Download PDFInfo
- Publication number
- CN202737092U CN202737092U CN 201220289449 CN201220289449U CN202737092U CN 202737092 U CN202737092 U CN 202737092U CN 201220289449 CN201220289449 CN 201220289449 CN 201220289449 U CN201220289449 U CN 201220289449U CN 202737092 U CN202737092 U CN 202737092U
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- antenna
- heart yearn
- mobile terminal
- helix
- match circuit
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Abstract
The utility model relates to a mobile terminal built-in antenna system and a mobile terminal. The mobile terminal built-in antenna system comprises an antenna and a matching circuit. The antenna comprises a core wire and a spiral wire which encircles the core wire, and the matching circuit is used for the circuit matching between the antenna and a broadcast television reception chip. One of the core wire and the spiral wire on one end of the antenna is connected with the matching circuit, and the other is connected with the radio frequency ground. The core wire on the other end of the antenna is in an open circuit with the spiral wire. The mobile terminal is further disclosed. Because the mobile terminal built-in antenna system comprises the antenna and the matching circuit which is connected with the broadcast television reception chip, the antenna comprises the core wire and the spiral wire which encircles the core wire, and the mobile terminal built-in antenna system can be arranged in a casing of the mobile terminal, the structure is simple, a built-in problem of a broadcast television antenna, particularly an analog television antenna, of the mobile terminal is solved, the cost is low, the implement is simple, and the mobile terminal built-in antenna system can be used in systems of the built-in analog television antenna, built-in digital television antenna and the like.
Description
Technical field
The application relates to the communications field, relates in particular to a kind of embedded antenna for mobile terminal system and portable terminal.
Background technology
The analog television broadcast frequency range be 48MHz to 860MHz(digital television broadcasting frequency from 470MHz to 860MHz), and the non-constant width of relative bandwidth; Wavelength is from 6.25 meters to 350 millimeters, designing requirement by hertz resonant antenna, the length of antenna oscillator will reach quarter-wave at least, the length that is to say antenna needs 1.6 meters to 87 millimeters, the hand-held devices such as mobile phone generally are 100 millimeters long, 50 mm wides, 10 millimeters thick, volume is very little, and also has other multiple antenna, and the space that is used for containing antenna is very limited.For saving spatial accommodation, the antenna of the built-in simulated television of portable terminal nearly all uses telescopic antenna at present, the telescopic antenna that is used for the portable terminal simulated television is generally made the retractable antenna of the thicker multi-section type of diameter, need in use antenna is pulled out, when not using with the sky linear shrinkage.The Telescopic antenna structure more complicated, take up room large.
Summary of the invention
The application provides a kind of embedded antenna for mobile terminal system and portable terminal.
First aspect according to the application, the application provides a kind of embedded antenna for mobile terminal system, comprise antenna, be used for the match circuit of the Circuit Matching between described antenna and the radio and television receiving chip, described antenna comprises heart yearn and around the helix of described heart yearn, the described heart yearn of described antenna one end be connected helix the two one of be connected with described match circuit, another of the two is connected with radio frequency ground; The described heart yearn of the described antenna other end and described helix open circuit.
Described heart yearn comprises metal inside and coating layer; The material of described metal inside is a kind of in copper, aluminium, aluminium alloy or the copper alloy, and the material of described coating layer is plastics.
Described helix is turned to by enamelled wire or electric wire.
Also comprise amplifier, described amplifier one end is connected with described antenna by described match circuit, and the described amplifier other end is connected with described radio and television receiving chip.
The described heart yearn of described antenna one end is connected with described match circuit, and the described helix of this end is connected with radio frequency ground by described match circuit; The described heart yearn of the described antenna other end and described helix open circuit.
The described helix of described antenna one end is connected with described match circuit, and the described heart yearn of this end is connected with radio frequency ground by described match circuit; The described helix of the described antenna other end and described heart yearn open circuit.
Second aspect according to the application, the application provides a kind of portable terminal, comprise housing, also comprise the built-in antenna system that is arranged in the described housing, described built-in antenna system comprises antenna, is used for the match circuit of the Circuit Matching between described antenna and the radio and television receiving chip, and described antenna comprises heart yearn and around the helix of described heart yearn.
Also comprise amplifier, described amplifier one end is connected with described antenna by described match circuit, and the described amplifier other end is connected with described radio and television receiving chip.
Described antenna is installed on the described housing, is one or more the combination in I shape, L shaped, U-shaped or the O shape after described antenna is installed.
Described heart yearn comprises metal inside and coating layer, and the material of described metal inside is a kind of in copper, aluminium, aluminium alloy or the copper alloy, and the material of described coating layer is plastics.
The application's beneficial effect is: the application is owing to comprise antenna and the match circuit that is connected with the radio and television receiving chip, antenna comprises the helix of heart yearn and wound core line, can be arranged in the housing of portable terminal, alternative more piece pull bar and connector thereof, not only simple in structure, and cost is low, can be used in the systems such as built-in stimulation TV antenna, built-in digital television antenna.
Description of drawings
Fig. 1 is the system configuration diagram of a kind of embodiment of the application;
Fig. 2 is the system configuration diagram of the another kind of embodiment of the application;
Fig. 3 is the structural representation of the antenna among a kind of embodiment of the application;
Fig. 4 is a kind of scheme of installation of the application's antenna;
Fig. 5 is the another kind of scheme of installation of the application's antenna;
Fig. 6 is another scheme of installation of the application's antenna;
Fig. 7 is another scheme of installation of the application's antenna.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
Embodiment one:
Extremely shown in Figure 7 such as Fig. 1, the application's embedded antenna for mobile terminal system, its a kind of execution mode comprises antenna 10, match circuit and radio and television receiving chip, match circuit is arranged between antenna 10 and the radio and television receiving chip, is used for Circuit Matching.Antenna comprises heart yearn and helix 11, and helix 11 is around this heart yearn.Helix 11 can be adjacent to heart yearn, makes helix 11 twine and be fixed on the heart yearn.
Heart yearn comprises metal inside 12 and coating layer 13.The heart yearn of antenna one end are connected with helix the two one of be connected with match circuit, the heart yearn of antenna one end is connected the two another and is connected with radio frequency ground with helix; The heart yearn of the antenna other end and helix 11 open circuits.
In a kind of instantiation, it is 0.90 millimeter electric wire that heart yearn can use diameter, and the diameter of metal inside 12 is 0.54 millimeter, and the diameter of heart yearn and metal inside 12 also can change as required.Helix 11 is the spiral helicine outside line of enamelled wire or electric wire coiled, and the diameter of helix 11 is 0.18 millimeter.The material of metal inside 12 is a kind of in copper, aluminium, aluminium alloy or the copper alloy.The material of coating layer 13 is plastics, and the span of dielectric constant is [1.5,3.9].The length of antenna 10 is about 120 millimeters.
In a kind of instantiation, the heart yearn of antenna 10 1 ends is connected with match circuit, and match circuit is connected with the radio and television receiving chip, and the helix 11 of this end is connected with radio frequency ground by match circuit; The heart yearn of antenna 10 other ends and the helix of this other end 11 open circuits.
In another kind of instantiation, the helix 11 of antenna 10 1 ends is connected with match circuit, and match circuit is connected with the radio and television receiving chip, and heart yearn is connected with radio frequency ground by match circuit; The heart yearn open circuit of the helix 11 of the antenna other end and this other end.
Refer to that because the ground in the circuit all refers to the level reference point of circuit, the radio circuit among the application is established separately ground radio frequency among the application, interfere with each other to avoid the low-and high-frequency circuit, and circuit board always take the signal quarantine measures between publicly.
Helix 11 is a kind of casual ripple transmission systems that can shorten the axial wavelength of high-frequency signal.When the stretching rear total length of the helix of coiling be operation wavelength 1/2 or 1/4 the time, have the double action of open transmission line and resonant antenna, thereby expanded working band and the coupling efficiency of resonant antenna.
Embodiment two:
As shown in Figure 2, the application's embedded antenna for mobile terminal system, embodiment two is with the difference of embodiment one, also comprises amplifier.Amplifier is used for broadcast television signal and covers relatively poor area, it (is Low-noise amplifier that amplifier can be selected low noise amplifier, be called for short LNA), this amplifier one end is connected with antenna by match circuit, and the other end is connected with the radio and television receiving chip.
The signal of antenna reception arrives low noise amplifier by match circuit, amplifies through low noise amplifier and exports to the demodulation of broadcast television signal receiving chip, decoding, gives mobile phone baseband, and plays TV at display screen.
The heart yearn of antenna one end is connected with the low noise amplifier input by match circuit, and the helix of this end connects with radio frequency ground.
Embodiment three:
Extremely shown in Figure 7 such as Fig. 4, the application provides a kind of portable terminal, comprise housing 20 and built-in antenna system, built-in antenna system is arranged in the housing 20, built-in antenna system comprises antenna 10, match circuit and radio and television receiving chip, match circuit is arranged between antenna 10 and the radio and television receiving chip, is used for Circuit Matching.Antenna comprises heart yearn and helix 11, helix 11 wound core lines.Helix 11 can be adjacent to heart yearn, makes helix 11 twine and be fixed on the heart yearn.The heart yearn of antenna one end are connected with helix the two one of be connected with match circuit, the heart yearn of antenna one end is connected the two another and is connected with radio frequency ground with helix; The heart yearn of the antenna other end and helix 11 open circuits.Heart yearn comprises metal inside 12 and coating layer 13.
In a kind of instantiation, it is 0.90 millimeter electric wire that heart yearn can use diameter, and the diameter of metal inside 12 is 0.54 millimeter, and the diameter of heart yearn and metal inside 12 also can change as required.Helix 11 is the spiral helicine outside line of enamelled wire or electric wire coiled, and helix 11 diameters are 0.18 millimeter.The material of metal inside 12 is a kind of in copper, aluminium, aluminium alloy or the copper alloy.The material of coating layer 13 is plastics, and the span of dielectric constant is [1.5,3.9].The length of antenna 10 is about 120 millimeters.
In a kind of instantiation, the heart yearn of antenna 10 1 ends is connected with match circuit, and match circuit is connected with the radio and television receiving chip, and the helix 11 of this end is connected with radio frequency ground by match circuit; The heart yearn of antenna 10 other ends and the helix of this other end 11 open circuits.
In another kind of instantiation, the helix 11 of antenna 10 1 ends is connected with match circuit, and match circuit connects and is connected with the radio and television receiving chip, and heart yearn is connected with radio frequency ground by match circuit; The heart yearn open circuit of the helix 11 of the antenna other end and this other end.
In this instantiation, portable terminal is GSM mobile handset, and the analog television broadcast frequency range is that 48MHz is to 860MHz.Portable terminal also can be other hand-held devices, mp3 for example, mp4, PDA etc.
Embodiment four:
A kind of portable terminal that present embodiment provides, the difference of itself and embodiment four is, also comprises amplifier.Amplifier is used for broadcast television signal and covers relatively poor area, it (is Low-noise amplifier that amplifier can be selected low noise amplifier, be called for short LNA), this amplifier one end is connected with antenna by match circuit, and the other end is connected with the radio and television receiving chip.
The signal of antenna reception arrives low noise amplifier by match circuit, amplifies through low noise amplifier and exports to the demodulation of broadcast television signal receiving chip, decoding, gives mobile phone baseband, and plays TV at display screen.
The heart yearn of antenna one end is connected with the low noise amplifier input by match circuit, and the helix of this end connects with radio frequency ground.
Above content is the further description of the present invention being done in conjunction with concrete execution mode, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace.
Claims (10)
1. embedded antenna for mobile terminal system, it is characterized in that, comprise antenna, be used for the match circuit of the Circuit Matching between described antenna and the radio and television receiving chip, described antenna comprises heart yearn and around the helix of described heart yearn, the described heart yearn of described antenna one end be connected helix the two one of be connected with described match circuit, another of the two is connected with radio frequency ground; The described heart yearn of the described antenna other end and described helix open circuit.
2. embedded antenna for mobile terminal as claimed in claim 1 system is characterized in that described heart yearn comprises metal inside and coating layer; The material of described metal inside is a kind of in copper, aluminium, aluminium alloy or the copper alloy, and the material of described coating layer is plastics.
3. embedded antenna for mobile terminal as claimed in claim 1 system is characterized in that described helix is turned to by enamelled wire or electric wire.
4. embedded antenna for mobile terminal as claimed in claim 1 system is characterized in that, also comprises amplifier, and described amplifier one end is connected with described antenna by described match circuit, and the described amplifier other end is connected with described radio and television receiving chip.
5. such as each described embedded antenna for mobile terminal system in the claim 1 to 5, it is characterized in that the described heart yearn of described antenna one end is connected with described match circuit, the described helix of this end is connected with radio frequency ground by described match circuit; The described heart yearn of the described antenna other end and described helix open circuit.
6. such as each described embedded antenna for mobile terminal system in the claim 1 to 5, it is characterized in that the described helix of described antenna one end is connected with described match circuit, the described heart yearn of this end is connected with radio frequency ground by described match circuit; The described helix of the described antenna other end and described heart yearn open circuit.
7. portable terminal, comprise housing, it is characterized in that, also comprise the built-in antenna system that is arranged in the described housing, described built-in antenna system comprises antenna, is used for the match circuit of the Circuit Matching between described antenna and the radio and television receiving chip, and described antenna comprises heart yearn and around the helix of described heart yearn.
8. portable terminal as claimed in claim 7 is characterized in that, also comprises amplifier, and described amplifier one end is connected with described antenna by described match circuit, and the described amplifier other end is connected with described radio and television receiving chip.
9. portable terminal as claimed in claim 7 is characterized in that, described antenna is installed on the described housing, is one or more the combination in I shape, L shaped, U-shaped or the O shape after described antenna is installed.
10. portable terminal as claimed in claim 7 is characterized in that, described heart yearn comprises metal inside and coating layer, and the material of described metal inside is a kind of in copper, aluminium, aluminium alloy or the copper alloy, and the material of described coating layer is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220289449 CN202737092U (en) | 2012-06-19 | 2012-06-19 | Mobile terminal built-in antenna system and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220289449 CN202737092U (en) | 2012-06-19 | 2012-06-19 | Mobile terminal built-in antenna system and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737092U true CN202737092U (en) | 2013-02-13 |
Family
ID=47662759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220289449 Expired - Fee Related CN202737092U (en) | 2012-06-19 | 2012-06-19 | Mobile terminal built-in antenna system and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780074A (en) * | 2012-06-19 | 2012-11-14 | 深圳天珑无线科技有限公司 | Mobile terminal built-in antenna system and mobile terminal |
-
2012
- 2012-06-19 CN CN 201220289449 patent/CN202737092U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780074A (en) * | 2012-06-19 | 2012-11-14 | 深圳天珑无线科技有限公司 | Mobile terminal built-in antenna system and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20190619 |