CN202487762U

CN202487762U - Antenna structure

Info

Publication number: CN202487762U
Application number: CN2012200432938U
Authority: CN
Inventors: 李冠纬
Original assignee: LUODA SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: Dafa Technology Co.,Ltd.
Priority date: 2012-02-10
Filing date: 2012-02-10
Publication date: 2012-10-10
Anticipated expiration: 2022-02-10

Abstract

The utility model discloses an antenna structure which comprises a substrate and a radiator. The radiator is arranged on a surface of the substrate, and is provided with a first signal receiving port and a second signal receiving port. Therefore, the first signal receiving port and/or the second signal receiving port is in electrical connection with a main circuit board of an electronic product to receive more than one signal, and the antenna structure enables the signals not to interfere with one another and improves signal sending and receiving quality.

Description

Antenna structure

Technical field

The utility model relates to a kind of antenna, refers to the antenna that a kind of signal with at least more than one receives especially.

Background technology

Along with multimedia technology is constantly promoted; Many portable electronic equipments such as intelligent mobile phone, flat computer, notebook computer, individual action assistant device and navigation system; All possess wifi arranged, bluetooth, GSM, GPS and FM antenna, carry out wireless transmission link internet, conversation, transmission data or utilize the FM antenna to receive the FM broadcasting program to provide the user can see through various antennas.

Because present portable electronic equipment all is to make towards compact direction, how the antenna of these wifi, bluetooth, GSM, GPS and FM etc. being installed in the limited portable electronic equipment in inner space is the problem that present industry is eager to solve.Be exactly to form a broad-band antenna on the substrate that metal pattern with these antenna is incorporated into same with regard to existing technology; And share a receiver port; Again with receiver port chain connection control circuit or chip; And switch different frequency range with this control circuit or chip and use, make broad-band antenna to be applicable to multiple receiver module.

Though the handover operation that above-mentioned broad-band antenna sees through control circuit or chip switches different frequency range uses, nor can change the outward appearance and the volume of original portable electronic equipment.But; The design of this kind broad-band antenna only has a receiver port; No matter which kind of communications band control circuit or chip switch to when using with communications band; The signal that receives or launch all is to transmit via same receiver port, is prone to cause the mutual interference mutually between signal and the signal, causes to transmit with the quality of reception and reduces.

The utility model content

In view of this, the technical problem that the utility model will solve is to provide a kind of antenna structure, and Antenna Design is had the antenna that at least one signal receives, and signal each other can the phase mutual interference.

For solving the problems of the technologies described above, the technical scheme of the utility model is achieved in that a kind of antenna structure, electrically links with the main circuit board of electronic product, comprising: a substrate; One radiant body is located on the surface of this substrate, has one first receiver port and a secondary signal receiving port on it; Electrically link with this main circuit board with this first receiver port and/or this secondary signal receiving port, to carry out the reception of signal.

Further; This radiant body has one first metal wire, and this first metal wire is extended with one second metal wire, and this second metal wire is extended with one the 3rd metal wire; The 3rd metal wire is extended with one the 4th metal wire, and the junction of the 3rd metal wire and the 4th metal wire is extended with one the 5th metal wire.

Further, this first metal wire is first receiver port.

Further, this first metal wire electrically links with a low-frequency range communication chip on this main circuit board.

Further, this low-frequency range communication chip is the FM frequency range.

Further, the 4th metal wire is the secondary signal receiving port.

Further, the 4th metal wire electrically links with a high band communication chip on this main circuit board.

Further, this high band communication chip one of which that is WIFI, bluetooth or GPS.

Another kind of technical scheme is: a kind of antenna structure, electrically link with the main circuit board of electronic product, and comprising: a substrate; One radiant body is located on the surface of this substrate, has one first receiver port on it; Electrically link with this first receiver port and this main circuit board, to carry out the reception of signal.

Further, this radiant body has one first metal wire, and this first metal wire is extended with one second metal wire, and this second metal wire is extended with one the 3rd metal wire, and the 3rd metal wire is extended with one the 5th metal wire.

Further, this first metal wire is first receiver port.

Further, this low-frequency range communication chip is the FM frequency range.

The technique effect that the utility model reaches is following: binary signal after being received by first different receiver ports and secondary signal receiving port respectively, makes both signals can the phase mutual interference when receiving, and the quality of signal transmitting and receiving is improved.

This antenna structure can be produced on the main circuit board of electronic product when making, and antenna is made be more prone to, and reduces cost of manufacture.

Description of drawings

Fig. 1 is the antenna structure view of the utility model.

Fig. 2 electrically links sketch map for the main circuit board of the antenna structure of the utility model and this electronic product.

Fig. 3 is the local enlarged diagram of Fig. 2.

Fig. 4 is the curve synoptic diagram of the reflection loss (Return Loss) of the antenna structure of the utility model.

Fig. 5 is Smith's sketch map of low-frequency range communications applications of the antenna structure of the utility model.

Fig. 6 is another embodiment sketch map of the antenna structure of the utility model.

Fig. 7 is an embodiment sketch map again of the antenna structure of the utility model.

Label declaration is following:

Antenna structure 10

Substrate 1

Radiant body 2

First metal wire 21

Second metal wire 22

The 3rd metal wire 23

The 4th metal wire 24

The 5th metal wire 25

Electronic product 20

Main circuit board 201

Low-frequency range communication chip 202

High band communication chip 203.

Embodiment

Now the technology contents and the detailed description of relevant the utility model cooperates graphic explanation following at present:

See also Fig. 1, be the antenna structure view of the utility model.As shown in the figure: the antenna structure 10 of the utility model comprises: a substrate 1, a radiant body 2.

This substrate 1, for glass leaves fiber or ceramic material, this substrate 1 is a rectangular body.

This radiant body 2; System is located on the surface of this substrate 1; This first radiant body 2 has one first metal wire 21, and this first metal wire 21 is extended with one second metal wire 22, and this second metal wire 22 is extended with one the 3rd metal wire 23; The 3rd metal wire 23 is extended with one the 4th metal wire, 24, the three metal wires 23 and is extended with one the 5th metal wire 25 and is vertical setting each other with the 3rd metal wire 23 and the 4th metal wire 24 with the 4th metal wire 24 junction.This first metal wire 21, second metal wire 22, the 3rd metal wire 23 and the 4th metal wire be along the edge setting of this substrate 1, and be first receiver port with this first metal wire 21, and the 4th metal wire 24 is the secondary signal receiving port.In this was graphic, this first metal wire 21, second metal wire 22, the 3rd metal wire 23, the 4th metal wire 24 and the 5th metal wire were low-frequency range communications applications (for example FM frequency range).The 4th metal wire 24 and the 5th metal wire 25 are high band communications applications (the for example WIFI of 2.4GHz ~ 2.5GHz frequency range, bluetooth (Bluetooth) or GPS).

See also Fig. 2 and Fig. 3, for the main circuit board of the antenna structure of the utility model and this electronic product electrically links and the local enlarged diagram of Fig. 2.It is as shown in the figure: when the main circuit board 201 of the antenna structure 10 of the utility model and electronic product 20 electrically links; With the bottom surface of this first metal wire 21 and the 4th metal wire 24 and the ground plane electrically connect of main circuit board 201; Electrically link simultaneously with this first metal wire 21 and low-frequency range communication chip 202 (for example FM frequency range System on Chip/SoC) on this main circuit board 201; Form first receiver port of a coupling high impedance; The 4th metal wire 24 electrically links with high band communication chip (2.4GHz ~ 2.5GHz frequency range System on Chip/SoC) 203 on this main circuit board 201, forms the secondary signal receiving port of one 50 ohm of couplings.

When carrying out the low-frequency range communications applications; Undertaken after signal receives by this first metal wire 21, second metal wire 22, the 3rd metal wire 23, the 4th metal wire 24 and the 5th metal wire 25; By these first metal wire, 21 formed first receiver ports signal is received; After directly reaching these low-frequency range communication chip 202 processing, can carry out the low-frequency range communications applications.

When carrying out high band communication, carrying out the emission of signal or receive with the 4th metal wire 24 and the 5th metal wire 25 all is by the transmission of secondary signal receiving port, and is handled by high band communication chip 203, to reach the high band communications applications.

From the above, binary signal after being received by first different receiver ports and secondary signal receiving port respectively, makes both signals can the phase mutual interference when receiving, and the quality of signal transmitting and receiving is improved.

See also Fig. 4, be the curve synoptic diagram of the reflection loss (Return Loss) of the antenna structure of the utility model.As shown in the figure: at the 4th metal wire 24 of this radiant body 2 of the antenna structure 10 of the utility model and the 5th metal wire 25 when high band communications applications (2.4GHz ~ 2.5GHz frequency range), the reflection loss that can know antenna structure 10 then be drop on-5.1dB ~-8.2db between.

See also Fig. 5, be Smith's sketch map of the low-frequency range communications applications of the antenna structure of the utility model.It is as shown in the figure: when this first metal wire of the radiant body 2 of antenna structure 10 21, second metal wire 22, the 3rd metal wire 23, the 4th metal wire 24 and the 5th metal wire 25 carry out low-frequency range communications applications (like the FM frequency range); Have a high capacitance property reactance making on the Mi Situ to be appeared by the place of enclosing, this high capacitance property reactance can let first receiver port of radiant body 2 have the coupling high-impedance behavior.

See also Fig. 6, be another embodiment sketch map of the antenna structure of the utility model.It is as shown in the figure: in present embodiment is graphic; When the 4th metal wire 24 of this radiant body 2 is the secondary signal receiving port; Can apply to outside the high band communications applications of WIFI, bluetooth (Bluetooth) of 2.4GHz ~ 2.5GHz frequency range; When the 4th metal wire 24 of this radiant body 2 removes, be still operable for the FM low-frequency range communication of other one first receiver port.

See also Fig. 7, be an embodiment sketch map again of the antenna structure of the utility model.It is as shown in the figure: when the main circuit board 201 of antenna structure 10 and electronic product 20 electrically links; With the bottom surface of this first metal wire 21 and the ground plane electrically connect of main circuit board 201; Electrically link simultaneously with this first metal wire 21 and low-frequency range communication chip 202 on this main circuit board 201; Form first receiver port of a coupling high impedance, the 4th metal wire 24 not with this main circuit board 201 on high band communication chip 203 electrically link.

Therefore; Still can carry out the low-frequency range communications applications; Carrying out signal by this first metal wire 21, second metal wire 22, the 3rd metal wire 23 and the 4th metal wire 24 and the 5th metal wire 25 receives; After signal receives the back and by these first metal wire, 21 formed first receiver ports signal is received, directly reach handle on this low-frequency range communication chip 202 after, can carry out the low-frequency range communications applications.

Further, be that this antenna structure 10 when making, can be produced on the main circuit board of electronic product, antenna made be more prone to, reduce cost of manufacture.

The above-mentioned preferred embodiment that is merely the utility model is not to be used for limiting the scope that the utility model is implemented.Be that all equalizations of being done according to the utility model claim change and modification, all contained by the utility model claim.

Claims

1. antenna structure electrically links with the main circuit board of electronic product, comprising:

One substrate;

One radiant body is located on the surface of this substrate, has one first receiver port and a secondary signal receiving port on it;

It is characterized in that, electrically link with this main circuit board with this first receiver port and/or this secondary signal receiving port, to carry out the reception of signal.

2. antenna structure as claimed in claim 1; It is characterized in that; This radiant body has one first metal wire, and this first metal wire is extended with one second metal wire, and this second metal wire is extended with one the 3rd metal wire; The 3rd metal wire is extended with one the 4th metal wire, and the junction of the 3rd metal wire and the 4th metal wire is extended with one the 5th metal wire.

3. antenna structure as claimed in claim 2 is characterized in that, this first metal wire is first receiver port.

4. antenna structure as claimed in claim 3 is characterized in that, this first metal wire electrically links with a low-frequency range communication chip on this main circuit board.

5. antenna structure as claimed in claim 4 is characterized in that, this low-frequency range communication chip is the FM frequency range.

6. antenna structure as claimed in claim 5 is characterized in that, the 4th metal wire is the secondary signal receiving port.

7. antenna structure as claimed in claim 6 is characterized in that, the 4th metal wire electrically links with a high band communication chip on this main circuit board.

8. antenna structure as claimed in claim 7 is characterized in that, this high band communication chip is the one of which of WIFI, bluetooth or GPS.

9. antenna structure electrically links with the main circuit board of electronic product, comprising:

One substrate;

One radiant body is located on the surface of this substrate, has one first receiver port on it;

It is characterized in that, electrically link, to carry out the reception of signal with this first receiver port and this main circuit board.

10. antenna structure as claimed in claim 9; It is characterized in that; This radiant body has one first metal wire, and this first metal wire is extended with one second metal wire, and this second metal wire is extended with one the 3rd metal wire; The 3rd metal wire is extended with one the 4th metal wire, and the junction of the 3rd metal wire and the 4th metal wire is extended with one the 5th metal wire.

11. antenna structure as claimed in claim 9 is characterized in that, this radiant body has one first metal wire, and this first metal wire is extended with one second metal wire, and this second metal wire is extended with one the 3rd metal wire, and the 3rd metal wire is extended with one the 5th metal wire.

12., it is characterized in that this first metal wire is first receiver port like claim 10 or 11 described antenna structures.

13. antenna structure as claimed in claim 12 is characterized in that, this first metal wire electrically links with a low-frequency range communication chip on this main circuit board.

14. antenna structure as claimed in claim 13 is characterized in that, this low-frequency range communication chip is the FM frequency range.