CN101222084B - Dual-polarization antenna apparatus for generating dual frequency band - Google Patents

Abstract

A dual-polarized antenna device for generating dual channels, comprising: a first dielectric body, a radiating metal layer, a first phase difference changing structure, a second dielectric body, a shared metal layer, a second grounded metal layer, The second phase difference changing structure, the first antenna feeding pin and the second antenna feeding pin. The first dielectric body, the radiating metal layer, the first phase difference changing structure, the common metal layer and the first antenna feed pin are combined to form an upper dual-polarized antenna structure, and the second dielectric body, The common metal layer, the second phase difference changing structure and the second ground metal layer are combined to form a lower dual-polarization antenna structure. Thus, through the composition of the first and lower dual-polarization antenna structures, the effects of dual frequency bands and dual polarizations are produced.

Description

Dual polarized antenna arrangement for generating dual frequency bands

technical field

The present invention relates to an antenna device, in particular to a dual polarization antenna device for generating a dual band.

Background technique

With the development of communication technology, various electronic products using wireless communication technology have been born one after another, such as mobile phones, wireless Internet access devices, personal digital assistants (Personal Digital Assistant, PDA) and so on. Consumers' requirements for the performance, appearance design and size of these wireless communication devices are also increasing. Taking mobile phones as an example, the receiving frequency has developed from single-frequency and dual-frequency to triple-frequency and quad-frequency. The appearance of the phone is streamlined and novel, and it is small in size, light in weight and easy to carry.

In addition, due to the advancement of communication technology, an antenna with dual-frequency and dual-circular polarization functions has emerged. In this frequency band, there will be a peak in the gain, and the impedance can also be matched.

Contents of the invention

The main object of the present invention is to provide a dual-polarized antenna device for generating dual bands. The present invention realizes an antenna device capable of producing dual-channel and dual-polarization effects by sharing a common metal layer and cooperating with a dual-polarization structure.

In order to solve the above technical problems, according to the first solution of the present invention, a dual-polarized antenna device for generating dual channels is provided, which includes: a first dielectric body, a radiating metal layer, a first phase difference changing structure, The second dielectric body, the common metal layer, the second ground metal layer, the second phase difference changing structure, the first antenna feed pin, and the second antenna feed pin.

Wherein, the radiation metal layer is formed on the upper surface of the first dielectric body; the first phase difference changing structure is formed on the radiation metal layer; the common metal layer is formed on the first dielectric body and the second dielectric body Between the electrical bodies; the second ground metal layer is formed on the lower surface of the second dielectric body; the second phase difference changing structure is formed on the inner and lower surface of the second dielectric body. In addition, the first antenna feeding pin sequentially passes through the first dielectric body and the second dielectric body. In addition, the second antenna feeding pin penetrates through the second dielectric body.

Thus, the first dielectric body, the radiating metal layer, the first phase difference changing structure, the common metal layer and the first antenna feeding pin are combined into an upper dual polarization antenna structure, The second dielectric body, the common metal layer, the second phase difference changing structure, and the second ground metal layer are combined to form a lower dual polarization antenna structure.

In order to solve the above technical problems, according to the second solution of the present invention, a dual-polarized antenna device for generating dual channels is provided. Wherein, the difference between the second solution and the first solution is that there is no need to add a first phase difference changing structure. Thus, the first dielectric body, the radiating metal layer, the common metal layer and the first antenna feeding pin are combined into an upper dual-polarized antenna structure.

In order to solve the above technical problems, according to a third solution of the present invention, a dual-polarized antenna device for generating dual channels is provided. Wherein, the difference between the third solution and the first solution is that: the second phase difference changing structure is formed on the common metal layer.

In order to solve the above technical problems, according to a fourth solution of the present invention, a dual-polarized antenna device for generating dual channels is provided. Wherein, the difference between the fourth scheme and the first scheme is that there is no need to add the first phase difference changing structure and the second phase difference changing structure. Thus, the first dielectric body, the radiating metal layer, the common metal layer and the first antenna feed pin are combined to form an upper dual-polarized antenna structure, and the second dielectric body, the common metal layer, and the second ground metal layer are combined to form a lower dual-polarized antenna structure.

In summary, the present invention produces dual-channel and dual-polarization effects through the composition of the upper layer dual-polarization antenna structure and the lower layer dual-polarization antenna structure.

In order to further understand the technology, means and effects that the present invention adopts to achieve the predetermined purpose, please refer to the following detailed description and accompanying drawings of the present invention, and believe that the purpose, characteristics and characteristics of the present invention can be obtained in depth and concretely. However, the drawings are only for reference and description, and are not intended to limit the present invention.

Description of drawings

Fig. 1 is the plan view of the first part of the first embodiment of the present invention;

2 is a front sectional view of a first part of a first embodiment of the present invention;

3 is a top view of a second part of the first embodiment of the present invention;

4 is a front sectional view of a second part of the first embodiment of the present invention;

Fig. 5 is the bottom view of the second part of the first embodiment of the present invention;

Fig. 6 is a front sectional view of the combination of the first part and the second part of the first embodiment of the present invention;

Fig. 7 is a bottom view of the combination of the first part and the second part of the first embodiment of the present invention;

8 is a top view of the first part of the second embodiment of the present invention;

Figure 9 is a front sectional view of a first part of a second embodiment of the present invention;

10 is a top view of a second part of a second embodiment of the present invention;

Figure 11 is a front sectional view of a second part of a second embodiment of the present invention;

Fig. 12 is a bottom view of the second part of the second embodiment of the present invention;

Fig. 13 is a front sectional view of the combination of the first part and the second part of the second embodiment of the present invention;

Fig. 14 is a bottom view of the combination of the first part and the second part of the second embodiment of the present invention;

15 is a top view of the second part of the third embodiment of the present invention;

16 is a front sectional view of a second part of a third embodiment of the present invention;

Fig. 17 is a front sectional view of the combination of the first part of the first embodiment of the present invention and the second part of the third embodiment;

18 is a top view of the second part of the fourth embodiment of the present invention;

19 is a front sectional view of a second portion of a fourth embodiment of the present invention; and

Fig. 20 is a front sectional view of the combination of the first part of the first embodiment and the second part of the fourth embodiment of the present invention.

Description of main component symbols

1a, 1b first dielectric body

2a, 2b Radiation metal layer

3a, 3c The first phase difference changes the structure

4a, 4b, 4c, 4d second dielectric body

5a, 5b, 5c, 5d share metal layer

6a, 6b, 6c, 6d Second ground metal layer

7a The second phase difference changes the structure

70a Metal wire layer

71a Antenna pin

8a, 8b The first antenna feed pin

80a, 80b First feed point

9a, 9c, 9d Second Antenna Feed Pins

90a, 90c, 90d first feed point

C1, C3 Center line across sides

C2, C4 Diagonal Centerline

P1, P2, P3, P4 position

A1, A2, A3, A4 Upper layer dual polarized antenna structure

B1, B2, B3, B4 Lower layer dual polarized antenna structure

Detailed ways

Please refer to Figures 1 to 7, which are respectively a top view and a front sectional view of the first part of the first embodiment of the present invention, a top view, a front sectional view and a bottom view of the second part of the first embodiment of the present invention , and the combined front sectional view and bottom view of the first part and the second part of the first embodiment of the present invention. As can be seen from the figure, the present invention provides a dual-polarized antenna device for generating dual channels, which includes: a first dielectric body (first dielectric body) 1a, a radiation metal layer (patch) 2a, a first phase difference change Structure (first phase difference changing structure) 3a, second dielectric body (second dielectric body) 4a, common metal layer (common metal layer) 5a, second grounding metal layer (second ground layer) 6a, second phase difference changing structure (second phase difference changing structure) 7a, first antenna feed pin (first antenna feed pin) 8a, and second antenna feed pin (second antenna feed pin) 9a. Wherein, the first phase difference changing structure 3 a and the second phase difference changing structure 7 a are both 90-degree phase difference changing structures.

Please refer to FIG. 1 and FIG. 2 again, wherein the first dielectric body 1a can be a dielectric material, and the dielectric material can be an insulating material, such as a ceramic material. In addition, the radiating metal layer 2a is formed on the upper surface of the first dielectric body 1a, and the first phase difference changing structure 3a is formed on the radiating metal layer 2a.

In the first embodiment, the first phase difference changing structure 3a is a pair of truncated corner regions cut off from two diagonal edges of the radiation metal layer 2a, and the pair of truncated corner regions can be a For triangular regions of the same size. In other words, the radiating metal layer 2a is formed in a square shape on the first dielectric body 1a. However, in order to generate a 90-degree phase difference, two opposite corner truncated regions of the radiating metal layer 2a need to be cut off. In addition, the first antenna feeding pin 8a has a first feeding point 80a exposed from the radiating metal layer 2a, and the first feeding point 80a is disposed on the centerline C1 of the opposite side of the radiating metal layer 2a. , and deviates to the position P1 below the center point of the center point of the center line C1 of the pair of sides.

Please refer to FIG. 3 and FIG. 5 again, wherein the second dielectric body 4a can also be a dielectric material, and the dielectric material can be an insulating material, such as a ceramic material. The second dielectric body 4a has a through hole 40a opposite to the first antenna feed pin 8a. In addition, the common metal layer 5a is formed on the upper surface of the second dielectric body 4a, and the second ground metal layer 6a is formed on the lower surface of the second dielectric body 4a.

In addition, the second phase difference changing structure 7a is formed inside and on the lower surface of the second dielectric body 4a. Wherein, the second phase difference changing structure 7a includes: a metal wire layer 70a and an antenna pin 71a. In addition, the second ground metal layer 6a has an exposed area for exposing the second dielectric body 4a. Therefore, the metal wire layer 70a is formed on the lower surface of the second dielectric body 4a in the exposed area and is insulated from the second ground metal layer 6a to form a coplanar waveguide, and the metal wire layer 70a One end is electrically connected to the lower end of the second antenna feed pin 9a, and the opposite end of the metal wire layer 70a is electrically connected to the antenna pin 71a.

In addition, the antenna pin 71a passes through the second dielectric body 4a, and the upper end of the antenna pin 71a is exposed from the common metal layer 5a, and the lower end of the antenna pin 71a is exposed from the second ground metal layer 6a. The lower surface extends out.

In addition, the upper end of the second antenna feed pin 9a is exposed from the common metal layer 5a to form the second feed point 90a, and the lower end of the second antenna feed pin 9a is exposed from the second ground metal layer The lower surface of layer 6a extends out.

Please refer to FIG. 6 and FIG. 7 again, when the first part and the second part are combined, the common metal layer 5a is formed between the first dielectric body 1a and the second dielectric body 4a, and the first antenna The feed-in pin 8a sequentially passes through the first dielectric body 1a and the second dielectric body 4a, and the lower end of the first antenna feed-in pin 8a extends from the lower surface of the second ground metal layer 6a. out. Wherein, the first antenna feeding pin 8a is insulated from the common metal layer 5a and the second ground metal layer 6a. In addition, the second antenna feed pin 9a penetrates through the second dielectric body 4a, wherein the second antenna feed pin 9a is insulated from the second ground metal layer 6a.

In addition, by sharing the common metal layer 5a: the first dielectric body 1a, the radiation metal layer 2a, the first phase difference changing structure 3a, the common metal layer 5a and the first antenna feed pin 8a are combined into a The upper dual-polarized antenna structure A1; and the second dielectric body 4a, the common metal layer 5a, the second phase difference changing structure 7a, and the second grounded metal layer 6a are combined into a lower dual-polarized antenna structure B1.

Thus, through the composition of the upper layer dual-polarized antenna structure A1 and the lower layer dual-polarized antenna structure B1 , the antenna device of the present invention has the effect of dual-channel and dual-polarization.

Please refer to Figures 8 to 14, which are respectively a top view and a front sectional view of the first part of the second embodiment of the present invention, a top view, a front sectional view and a bottom view of the second part of the second embodiment of the present invention , and the combined front sectional view and bottom view of the first part and the second part of the second embodiment of the present invention. As can be seen from the figure, the present invention provides a dual-polarized antenna device for generating dual channels, which includes: a first dielectric body 1b, a radiation metal layer 2b, a second dielectric body 4b, a common metal layer 5b, a second Two ground metal layers 6b, a second phase difference changing structure 7a, a first antenna feed pin 8b, and a second antenna feed pin 9a.

Please refer to FIG. 8 and FIG. 9 again. Regarding the first part of the present invention, the biggest difference between the second embodiment and the first embodiment is that the first antenna feed-in pin 8b is exposed from the radiation metal layer 2b. and the first feeding point 80b is set on the diagonal centerline C2 of the radiation metal layer 2b, and is biased to a position P2 below the center point of the diagonal centerline C2, so as to generate 90 The effect of phase changes.

Please refer to Fig. 10 and Fig. 14 again, regarding the second part of the present invention, the biggest difference between the second embodiment and the first embodiment is only that: because the first feeding point 80b has changed its position, the second medium The position of the opening 40b provided on the electrical body 4b is also changed.

Therefore, by sharing the common metal layer 5b: the first dielectric body 1b, the radiating metal layer 2b, the common metal layer 5b and the first antenna feed pin 8b are combined into an upper dual-polarized antenna structure A2; and The second dielectric body 4b, the common metal layer 5b, the second phase difference changing structure 7a, and the second ground metal layer 6b are combined to form a lower dual-polarized antenna structure B2.

Thus, through the composition of the upper dual-polarized antenna structure A2 and the lower dual-polarized antenna structure B2, the antenna device of the present invention has the effect of dual-channel and dual-polarization.

To sum up the above two kinds of embodiments, in order to achieve the effect of dual-channel and dual-polarization, for the upper-layer dual-polarization antenna structure A1, the change of the shape of the radiating metal layer 2 and the first antenna feed The cooperation of the position C1 of the first feed point 80 of the input pin 8 produces the effect of a 90-degree phase change; for the upper dual-polarized antenna structure A2, the first antenna can be directly fed into the pin 8b The position P1 where the first feeding point 80b is located produces the effect of a 90-degree phase change.

Please refer to Fig. 15 and Fig. 17, which are respectively a top view and a front sectional view of the second part of the third embodiment of the present invention, and the first part of the first embodiment of the present invention and the second part of the third embodiment The assembled front section view. It can be seen from the figure that the second part of the third embodiment of the present invention includes: a second dielectric body 4c, a common metal layer 5c, a second ground metal layer 6c, a second phase difference changing structure 7c, a second antenna feed-in connection Foot 9c. Wherein, the second phase difference changing structure 7c is a pair of truncated corner regions cut off from two opposite corners of the common metal layer 5c, and the pair of truncated corner regions can be a pair of triangular regions with the same size. In other words, the common metal layer 5c is formed in a square shape on the second dielectric body 4c. However, in order to generate a 90-degree phase difference, two opposite corner truncated regions of the common metal layer 5c need to be cut off. In addition, the second antenna feed-in pin 9c has a second feed-in point 90c exposed from the common metal layer 5c, and the second feed-in point 90c is disposed on the centerline c3 of opposite sides of the common metal layer 5c. , and deviates to the position P3 below the center point of the center point of the center line c3 of the pair of sides.

Therefore, through the combination of the first part of the first embodiment and the second part of the third embodiment and the sharing of the common metal layer 5c: the first dielectric body 1a, the radiation metal layer 2a, the first phase difference change The structure 3a (as shown in FIG. 1 ), the common metal layer 5c and the first antenna feed pin 8a are combined to form an upper dual-polarized antenna structure A3; and the second dielectric body 4c, the common metal layer 5c, The second phase difference changing structure 7c and the second ground metal layer 9c are combined to form a lower dual-polarized antenna structure B3.

Thus, through the composition of the upper layer dual-polarized antenna structure A3 and the lower layer dual-polarized antenna structure B3, the antenna device of the present invention has the effect of dual-channel and dual-polarization.

Please refer to Fig. 18 and Fig. 20, which are respectively a top view and a front sectional view of the second part of the fourth embodiment of the present invention, and the first part of the first embodiment of the present invention and the second part of the fourth embodiment The assembled front section view. It can be seen from the figure that the second part of the fourth embodiment of the present invention includes: a second dielectric body 4d, a common metal layer 5d, a second ground metal layer 6d, and a second antenna feed pin 9d. Wherein, the second antenna feeding pin 9d has a second feeding point 90d exposed from the common metal layer 5d, and the second feeding point 90d is arranged on the diagonal center line C4 of the common metal layer 5d , and deviate to the position P4 below the center point of the diagonal centerline C4 to produce the effect of a 90-degree phase change.

Therefore, through the combination of the first part of the first embodiment and the second part of the fourth embodiment and the sharing of the common metal layer 5d: the first dielectric body 1a, the radiation metal layer 2a, the first phase difference change The structure 3a (as shown in FIG. 1 ), the common metal layer 5d and the first antenna feed pin 8a are combined to form an upper dual-polarized antenna structure A4; and the second dielectric body 4d, the common metal layer 5d, and the second ground metal layer 9d to form the lower dual-polarized antenna structure B4.

Thus, through the composition of the upper dual-polarized antenna structure A4 and the lower dual-polarized antenna structure B4, the antenna device of the present invention has the effect of dual-channel and dual-polarization.

However, the above description is only a detailed description and illustration of the best specific embodiment of the present invention, and the features of the present invention are not limited thereto. Therefore, the above description is not intended to limit the present invention, and all scope of the present invention should be defined in the attached The scope of the claims shall prevail, and all embodiments that conform to the spirit of the scope of the claims of the present invention and its similar changes shall be included in the scope of the present invention, and any changes that can be easily considered by those skilled in the art within the scope of the present invention or modifications are all within the scope of the claims.

Claims (11)

1. a dual-polarization antenna apparatus that is used to produce two-way is characterized in that, comprising:

First dielectric body;

The radiation metal layer, it is formed at the upper surface of this first dielectric body;

First phase difference changes structure, and it is formed on this radiation metal layer, and wherein to change structure regional by a pair of rescinded angle of removing from the two diagonal angles institute sanction of this radiation metal layer for this first phase difference;

Second dielectric body;

Share metal layer, it is formed between this first dielectric body and this second dielectric body;

Second ground metal layer, it is formed at the lower surface of this second dielectric body, and wherein this second ground metal layer has in order to expose the exposed region of this second dielectric body;

The first antenna feed-in pin, it runs through this first dielectric body, this second dielectric body in order;

The second antenna feed-in pin, it runs through this second dielectric body; And

Second phase difference changes structure; It is formed at the inside and the lower surface of this second dielectric body; Wherein this second phase difference change structure comprises: a metal carbonyl conducting layer and an antenna pin; This metal carbonyl conducting layer be formed at this exposed region this second dielectric body lower surface and with the insulation of this second ground metal layer, and an end of this metal carbonyl conducting layer is electrically connected at the lower end of this second antenna feed-in pin, and the end opposite of this metal carbonyl conducting layer is electrically connected at this antenna pin;

Wherein, this first antenna feed-in pin and this share metal layer and this second ground metal layer produce insulation, and this second antenna feed-in pin and this second ground metal layer generation insulation;

Wherein, This first dielectric body, this radiation metal layer, this first phase difference change structure, this share metal layer and this first antenna feed-in pin and are combined into upper strata dual polarized antenna structure, and this second dielectric body, this share metal layer, this second phase difference change structure, and this second ground metal layer be combined into lower floor's dual polarized antenna structure;

Thus, through the composition of this upper strata dual polarized antenna structure and this lower floor's dual polarized antenna structure, produce two-way and dual-polarized effect.

2. the dual-polarization antenna apparatus that is used to produce two-way as claimed in claim 1 is characterized in that: this first dielectric body and this second dielectric body are dielectric material.

3. the dual-polarization antenna apparatus that is used to produce two-way as claimed in claim 2 is characterized in that: this dielectric material is a ceramic material.

4. the dual-polarization antenna apparatus that is used to produce two-way as claimed in claim 1 is characterized in that: this is the identical delta-shaped region of a pair of size to the rescinded angle zone.

5. the dual-polarization antenna apparatus that is used to produce two-way as claimed in claim 1; It is characterized in that: the upper end of this first antenna feed-in pin exposes from this radiation metal layer; Producing first load point, and extend from the lower surface of this second ground metal layer the lower end of this first antenna feed-in pin.

6. the dual-polarization antenna apparatus that is used to produce two-way as claimed in claim 5 is characterized in that: this first load point is arranged on the opposite side center line of this radiation metal layer, and is partial to the position of central point below of the central point of this opposite side center line.

7. the dual-polarization antenna apparatus that is used to produce two-way as claimed in claim 1; It is characterized in that: the upper end of this second antenna feed-in pin exposes from this share metal layer; Producing second load point, and extend from the lower surface of this second ground metal layer the lower end of this second antenna feed-in pin.

8. a dual-polarization antenna apparatus that is used to produce two-way is characterized in that, comprising:

First dielectric body;

The radiation metal layer, it is formed at the upper surface of this first dielectric body;

Second dielectric body;

Share metal layer, it is formed between this first dielectric body and this second dielectric body;

Second ground metal layer, it is formed at the lower surface of this second dielectric body, and wherein this second ground metal layer has in order to expose the exposed region of this second dielectric body;

The first antenna feed-in pin; It runs through this first dielectric body, this second dielectric body in order; Wherein the upper end of this first antenna feed-in pin exposes from this radiation metal layer, and to produce one first load point, extend from the lower surface of this second ground metal layer the lower end of this first antenna feed-in pin; This first load point is arranged on the diagonal angle center line of this radiation metal layer, and is partial to the position of the central point below of this diagonal angle center line;

The second antenna feed-in pin, it runs through this second dielectric body; And

Second phase difference changes structure; It is formed at the inside and the lower surface of this second dielectric body; Wherein this second phase difference change structure comprises: a metal carbonyl conducting layer and an antenna pin; This metal carbonyl conducting layer be formed at this exposed region this second dielectric body lower surface and with the insulation of this second ground metal layer, and an end of this metal carbonyl conducting layer is electrically connected at the lower end of this second antenna feed-in pin, and the end opposite of this metal carbonyl conducting layer is electrically connected at this antenna pin;

Wherein, this first antenna feed-in pin and this share metal layer and this second ground metal layer produce insulation, and this second antenna feed-in pin and this second ground metal layer generation insulation;

Wherein, This first dielectric body, this radiation metal layer, this share metal layer and this first antenna feed-in pin are combined into upper strata dual polarized antenna structure, and this second dielectric body, this share metal layer, this second phase difference change structure, and this second ground metal layer be combined into lower floor's dual polarized antenna structure;

Thus, through the composition of this upper strata dual polarized antenna structure and this lower floor's dual polarized antenna structure, to produce two-way and dual-polarized effect.

9. the dual-polarization antenna apparatus that is used to produce two-way as claimed in claim 8 is characterized in that: this first dielectric body and this second dielectric body are dielectric material.

10. the dual-polarization antenna apparatus that is used to produce two-way as claimed in claim 9 is characterized in that: this dielectric material is a ceramic material.

11. the dual-polarization antenna apparatus that is used to produce two-way as claimed in claim 8; It is characterized in that: the upper end of this second antenna feed-in pin exposes from this share metal layer; Producing second load point, and extend from the lower surface of this second ground metal layer the lower end of this second antenna feed-in pin.

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