CN219658969U - Flexible antenna structure - Google Patents

Abstract

A flexible antenna structure comprises a soft board, a first hard board, a soft antenna circuit and an antenna substructure; the first hard board is arranged on the soft board, the soft antenna circuit is arranged on the soft board, and the antenna substructure is arranged on or in the first hard board. Therefore, the flexible antenna structure is simple in structure, flexible and easy to install.

Description

Flexible antenna structure

Technical Field

The present utility model relates to an antenna structure, and more particularly, to a flexible antenna structure.

Background

The wireless communication products all have antennas for receiving and transmitting wireless signals, and with the technological change, many new technologies and new communication protocols are proposed, such as Wi-Fi 5, wi-Fi 6 and 5G, so that more and more information is required to be received and transmitted by the wireless communication products, and the antenna structures of the wireless communication products are more and more complex and difficult to install in the product housing.

Disclosure of Invention

In order to solve the above problems, an object of the present utility model is to provide a flexible antenna structure.

To achieve the above object of the present utility model, a flexible antenna structure of the present utility model comprises: a soft board; the first hard plate is arranged on the soft plate; a soft antenna circuit arranged on the soft board; and an antenna substructure disposed on or within the first stiffener.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, the antenna substructure is an antenna circuit disposed on the first hard board.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, the flexible board includes a plurality of first pads, the first hard board includes a plurality of second pads, and the plurality of first pads are soldered to the plurality of second pads.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, the flexible antenna structure further includes: the second hard plate is arranged on the soft plate, wherein a first thickness of the first hard plate is equal to a second thickness of the second hard plate.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, the flexible antenna structure further includes: a second hard plate disposed on the soft plate, wherein the antenna substructure comprises: the first through holes are arranged in the first hard plate, the soft plate and the second hard plate so as to penetrate through the first hard plate, the soft plate and the second hard plate.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, the antenna substructure further comprises: an antenna circuit is disposed on the first hard board.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, a first thickness of the first hard plate is equal to a second thickness of the second hard plate.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, the flexible antenna structure further includes: a second hard plate disposed on the soft plate, wherein the antenna substructure comprises: the first through holes are arranged in the first hard plate, and the second hard plate is provided with the second through holes.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, the antenna substructure further comprises: an antenna circuit is disposed on the first hard board.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, a first thickness of the first hard plate is different from a second thickness of the second hard plate.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model, the flexible board is bent at any angle.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, the flexible antenna structure further includes: a parallel extending flexible board connected to the flexible board to extend in parallel from the flexible board; and a first extended soft antenna circuit disposed on the parallel extended soft board.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model, the flexible board and the parallel extending flexible board are bent at any angle.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, the flexible antenna structure further includes: a first vertically extending flexible board connected to the flexible board to extend vertically from the flexible board; a first extended soft antenna circuit disposed on the first vertically extended soft board; a second vertically extending flexible board connected to the flexible board to extend vertically from the flexible board; and a second extended soft antenna circuit arranged on the second vertical extended soft board, wherein the soft board, the first vertical extended soft board and the second vertical extended soft board are in a T shape.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model, the flexible board, the first vertically extending flexible board and the second vertically extending flexible board are bent at any angle.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model as described above, the flexible antenna structure further includes: and the direct-inserting structure is connected to the first hard board.

Furthermore, in an embodiment of the flexible antenna structure of the present utility model, the in-line structure has a U shape.

The utility model has the advantages that the antenna structure is simple, the antenna is flexible and easy to install, and the flexible board and the antenna circuit arranged on the flexible board are flexible.

For a further understanding of the technology, means, and efficacy of the present utility model, reference should be made to the following detailed description of the utility model and to the accompanying drawings, which are included to provide a further understanding of the utility model, and to the specific features and aspects of the utility model, however, are given by way of illustration and not limitation.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of a flexible antenna structure according to the present utility model.

Fig. 2 is an exploded view of a first embodiment of the flexible antenna structure of the present utility model.

Fig. 3 is a schematic combined perspective view of a second embodiment of the flexible antenna structure of the present utility model.

Fig. 4 is an exploded view of a second embodiment of the flexible antenna structure of the present utility model.

Fig. 5 is a schematic combined perspective view of a third embodiment of a flexible antenna structure according to the present utility model.

Fig. 6 is an exploded view of a third embodiment of the flexible antenna structure of the present utility model.

Fig. 7 is a schematic combined perspective view of a fourth embodiment of the flexible antenna structure of the present utility model.

Fig. 8 is a schematic side sectional view of a fourth embodiment of the flexible antenna structure of the present utility model.

Fig. 9 is a schematic combined perspective view of a fifth embodiment of a flexible antenna structure according to the present utility model.

Fig. 10 is a schematic side sectional view of a fifth embodiment of the flexible antenna structure of the present utility model.

Fig. 11 is a schematic combined perspective view of a sixth embodiment of a flexible antenna structure according to the present utility model.

Fig. 12 is an exploded view of a seventh embodiment of the flexible antenna structure of the present utility model.

Fig. 13 is an exploded view of an eighth embodiment of the flexible antenna structure of the present utility model.

Fig. 14 is a schematic diagram illustrating a flexible printed circuit board according to a first embodiment of the flexible antenna structure of the present utility model being bent.

Fig. 15 is another schematic diagram illustrating a flexible printed circuit board according to a first embodiment of the flexible antenna structure of the present utility model being bent.

Fig. 16 is a schematic diagram of a flexible printed circuit board and a parallel-extending flexible printed circuit board according to a seventh embodiment of the flexible antenna structure of the present utility model.

Fig. 17 is another schematic diagram of a flexible board and a parallel-extending flexible board according to a seventh embodiment of the flexible antenna structure of the present utility model.

Fig. 18 is a schematic diagram of a flexible printed circuit board, a first vertically extending flexible printed circuit board and a second vertically extending flexible printed circuit board according to an eighth embodiment of the flexible antenna structure of the present utility model.

Fig. 19 is another schematic diagram of a flexible printed circuit board, a first vertically extending flexible printed circuit board and a second vertically extending flexible printed circuit board according to an eighth embodiment of the flexible antenna structure of the present utility model.

Fig. 20 is a combined perspective view of a ninth embodiment of the flexible antenna structure of the present utility model.

Fig. 21 is a schematic combined perspective view of a tenth embodiment of the flexible antenna structure of the present utility model.

Fig. 22 is a combined perspective view of an eleventh embodiment of the flexible antenna structure of the present utility model.

Fig. 23 is a schematic diagram illustrating a flexible printed circuit board according to a ninth embodiment of the flexible antenna structure of the present utility model being bent.

Fig. 24 is another schematic diagram illustrating a flexible printed circuit board according to a ninth embodiment of the flexible antenna structure of the present utility model being bent.

Fig. 25 is a schematic diagram of a flexible printed circuit board and a parallel-extending flexible printed circuit board according to a tenth embodiment of the flexible antenna structure of the present utility model.

Fig. 26 is another schematic diagram of a flexible printed circuit board and a parallel-extending flexible printed circuit board according to a tenth embodiment of the flexible antenna structure of the present utility model.

Fig. 27 is a schematic diagram of a flexible printed circuit board, a first vertically extending flexible printed circuit board and a second vertically extending flexible printed circuit board according to an eleventh embodiment of the flexible antenna structure of the present utility model.

Fig. 28 is another schematic diagram of a flexible printed circuit board, a first vertically extending flexible printed circuit board, and a second vertically extending flexible printed circuit board according to an eleventh embodiment of the flexible antenna structure of the present utility model.

Symbol description in the drawings:

10, a flexible antenna structure;

102, a soft board;

104, a first hard board;

106, a soft antenna circuit;

108, antenna substructure;

110, a second hard plate;

112, extending the soft board in parallel;

a first extended soft antenna line 114;

116 a first vertically extending flexible board;

118 a second vertically extending flexible board;

a second extended soft antenna line 120;

122, an in-line structure;

1022, a first pad;

1042 a second bonding pad;

1082 a first via;

1084 an antenna line;

1102, a second via hole;

t1 is a first thickness;

and t2, the second thickness.

Detailed Description

In the present disclosure, numerous specific details are provided to provide a thorough understanding of embodiments of the utility model; however, it will be apparent to one skilled in the art that the present utility model may be practiced without one or more of these specific details; in other instances, well-known details are not shown or described in order to avoid obscuring the utility model. The present utility model relates to the technical content and detailed description of the utility model, and the technical content and detailed description are as follows in conjunction with the drawings:

referring to fig. 1, a combined perspective view of a first embodiment of a flexible antenna structure 10 according to the present utility model is shown; please refer to fig. 2, which is an exploded view of a first embodiment of the flexible antenna structure 10 of the present utility model; referring to fig. 14, a schematic diagram of the flexible board 102 of the first embodiment of the flexible antenna structure 10 according to the present utility model is shown; please refer to fig. 15, which is another schematic diagram illustrating the flexible board 102 being bent according to the first embodiment of the flexible antenna structure 10 of the present utility model. As shown in fig. 1, 2, 14 and 15, a flexible antenna structure 10 of the present utility model includes a flexible board 102, a first hard board 104, a flexible antenna circuit 106 and an antenna sub-structure 108. The first hard board 104 is disposed on the soft board 102; the flexible antenna circuit 106 is disposed on the flexible board 102; the antenna substructure 108 is an antenna line disposed on the first stiffener 104; the flexible board 102 can be bent at any angle. The flexible board 102 and the first hard board 104 are combined by a pressing process.

The first embodiment of the flexible antenna structure 10 shown in fig. 1, 2, 14 and 15 is an asymmetric structure, and the material of the flexible board 102 is different from that of the first hard board 104. The first embodiment of the flexible antenna structure 10 shown in fig. 1, 2, 14 and 15 has the advantages of simple and flexible antenna structure and easy installation, wherein the flexible board 102 and the flexible antenna circuit 106 disposed on the flexible board 102 are flexible, which can increase space utilization efficiency and have a large bending variability.

Fig. 3 is a schematic combined perspective view of a second embodiment of the flexible antenna structure 10 according to the present utility model; please refer to fig. 4, which is an exploded view of a second embodiment of the flexible antenna structure 10 of the present utility model. As shown in fig. 3 and 4, a flexible antenna structure 10 of the present utility model includes a flexible board 102, a first hard board 104, a flexible antenna circuit 106 and an antenna substructure 108; the flexible board 102 includes a plurality of first pads 1022; the first stiffener 104 includes a plurality of second pads 1042. The first hard board 104 is disposed on the soft board 102; the flexible antenna circuit 106 is disposed on the flexible board 102; the antenna substructure 108 is an antenna line disposed on the first stiffener 104; the first pads 1022 are soldered to the second pads 1042, i.e. the flexible board 102 and the first hard board 104 are combined by SMT process.

The second embodiment of the flexible antenna structure 10 shown in fig. 3 and 4 is an asymmetric structure, and the material of the flexible board 102 is different from that of the first hard board 104. The second embodiment of the flexible antenna structure 10 shown in fig. 3 and 4 has the advantages of simple and flexible antenna structure and easy installation, wherein the flexible board 102 and the flexible antenna circuit 106 disposed on the flexible board 102 are flexible, which can increase space utilization efficiency and have a large bending variability.

Fig. 5 is a schematic combined perspective view of a third embodiment of a flexible antenna structure 10 according to the present utility model; please refer to fig. 6, which is an exploded view of a third embodiment of the flexible antenna structure 10 of the present utility model. As shown in fig. 5 and 6, a flexible antenna structure 10 of the present utility model includes a flexible board 102, a first hard board 104, a flexible antenna circuit 106, an antenna substructure 108 and a second hard board 110. The first hard board 104 is disposed on the soft board 102; the flexible antenna circuit 106 is disposed on the flexible board 102; the antenna substructure 108 is an antenna line disposed on the first stiffener 104; the second hard plate 110 is disposed on the soft plate 102; the first thickness t1 of the first hard plate 104 is equal to the second thickness t2 of the second hard plate 110.

The third embodiment of the flexible antenna structure 10 shown in fig. 5 and 6 is a symmetrical structure, and is less prone to bending or warping, and the material of the flexible board 102 is different from the material of the first hard board 104 and the second hard board 110. The third embodiment of the flexible antenna structure 10 shown in fig. 5 and 6 has the advantages of simple and flexible antenna structure and easy installation, wherein the flexible board 102 and the flexible antenna circuit 106 disposed on the flexible board 102 are flexible, which can increase the space utilization efficiency, and the bending variability is large, and the overall antenna radiation efficiency can be increased compared with the ceramic antenna design.

Fig. 7 is a schematic combined perspective view of a fourth embodiment of a flexible antenna structure 10 according to the present utility model; please refer to fig. 8, which is a schematic side sectional view of a fourth embodiment of the flexible antenna structure 10 of the present utility model. As shown in fig. 7 and 8, a flexible antenna structure 10 of the present utility model includes a flexible board 102, a first hard board 104, a flexible antenna circuit 106, an antenna substructure 108 and a second hard board 110; the antenna substructure 108 includes a plurality of first vias 1082 and an antenna line 1084. The first hard board 104 is disposed on the soft board 102; the flexible antenna circuit 106 is disposed on the flexible board 102; the second hard plate 110 is disposed on the soft plate 102; the first vias 1082 are disposed in the first hard board 104, the soft board 102 and the second hard board 110 to penetrate through the first hard board 104, the soft board 102 and the second hard board 110; the antenna line 1084 is disposed on the first stiffener 104; the first thickness t1 of the first hard plate 104 is equal to the second thickness t2 of the second hard plate 110.

The fourth embodiment of the flexible antenna structure 10 shown in fig. 7 and 8 is a symmetrical structure, and is less prone to bending or warping, and the material of the flexible board 102 is different from the material of the first hard board 104 and the second hard board 110. The fourth embodiment of the flexible antenna structure 10 shown in fig. 7 and 8 has the advantages of simple and flexible antenna structure and easy installation, wherein the flexible board 102 and the flexible antenna circuit 106 disposed on the flexible board 102 are flexible, which can increase the space utilization efficiency, and the bending variability is large, which can increase the antenna frequency band adjustment variability. Furthermore, the fourth embodiment of the flexible antenna structure 10 shown in fig. 7 and 8 may also not include the antenna line 1084.

Fig. 9 is a schematic combined perspective view of a fifth embodiment of a flexible antenna structure 10 according to the present utility model; please refer to fig. 10, which is a schematic side sectional view of a fifth embodiment of the flexible antenna structure 10 of the present utility model. As shown in fig. 9 and 10, a flexible antenna structure 10 of the present utility model includes a flexible board 102, a first hard board 104, a flexible antenna circuit 106, an antenna substructure 108 and a second hard board 110; the antenna substructure 108 includes a plurality of first vias 1082 and an antenna line 1084; the second hard board 110 is provided with a plurality of second via holes 1102. The first hard board 104 is disposed on the soft board 102; the flexible antenna circuit 106 is disposed on the flexible board 102; the second hard plate 110 is disposed on the soft plate 102; the first vias 1082 are disposed in the first stiffener 104; the antenna line 1084 is disposed on the first stiffener 104; the first thickness t1 of the first hard plate 104 is different from the second thickness t2 of the second hard plate 110, i.e. the first thickness t1 of the first hard plate 104 is smaller than the second thickness t2 of the second hard plate 110.

The material of the flexible board 102 of the fifth embodiment of the flexible antenna structure 10 shown in fig. 9 and 10 is different from the material of the first hard board 104 and the second hard board 110. The fifth embodiment of the flexible antenna structure 10 shown in fig. 9 and 10 has the advantages of simple and flexible antenna structure and easy installation, wherein the flexible board 102 and the flexible antenna circuit 106 disposed on the flexible board 102 are flexible, which can increase space utilization efficiency, and have a large bending variability, which can increase adaptability to mechanism and optimize antenna performance.

Fig. 11 is a schematic combined perspective view of a sixth embodiment of a flexible antenna structure 10 according to the present utility model. As shown in fig. 11, a flexible antenna structure 10 of the present utility model includes a flexible board 102, a first rigid board 104, a flexible antenna circuit 106, an antenna substructure 108 and a second rigid board 110; the antenna substructure 108 includes a plurality of first vias 1082 and an antenna line 1084; the second hard board 110 is provided with a plurality of second via holes 1102. The first hard board 104 is disposed on the soft board 102; the flexible antenna circuit 106 is disposed on the flexible board 102; the second hard plate 110 is disposed on the soft plate 102; the first vias 1082 are disposed in the first stiffener 104; the antenna line 1084 is disposed on the first stiffener 104; the first thickness t1 of the first hard plate 104 is different from the second thickness t2 of the second hard plate 110, i.e. the first thickness t1 of the first hard plate 104 is greater than the second thickness t2 of the second hard plate 110.

The material of the flexible board 102 of the sixth embodiment of the flexible antenna structure 10 shown in fig. 11 is different from the material of the first hard board 104 and the second hard board 110. The sixth embodiment of the flexible antenna structure 10 shown in fig. 11 has the advantages of simple and flexible antenna structure and easy installation, wherein the flexible board 102 and the flexible antenna circuit 106 disposed on the flexible board 102 are flexible, which can increase space utilization efficiency, and the bending variability is high, which can increase adaptability to mechanism and optimize antenna performance.

Fig. 12 is an exploded view of a seventh embodiment of the flexible antenna structure 10 according to the present utility model; referring to fig. 16, a schematic diagram of a flexible printed circuit board 102 and a parallel-extending flexible printed circuit board 112 according to a seventh embodiment of the flexible antenna structure 10 of the present utility model are bent; please refer to fig. 17, which is another schematic diagram of the flexible board 102 and the parallel-extending flexible board 112 of the seventh embodiment of the flexible antenna structure 10 according to the present utility model; the components shown in fig. 12, 16 and 17 are identical to those shown in fig. 1, and thus, a description thereof will not be repeated here for the sake of brevity.

As shown in fig. 12, 16 and 17, the flexible antenna structure 10 of the present utility model further includes a parallel-extending flexible board 112 and a first extending flexible antenna circuit 114, wherein the parallel-extending flexible board 112 is connected to the flexible board 102 to extend parallel from the flexible board 102, the first extending flexible antenna circuit 114 is disposed on the parallel-extending flexible board 112, and the flexible board 102 and the parallel-extending flexible board 112 can be bent at any angle.

Fig. 13 is an exploded view of an eighth embodiment of the flexible antenna structure 10 of the present utility model; referring to fig. 18, a schematic diagram of the flexible board 102, the first vertically extending flexible board 116 and the second vertically extending flexible board 118 according to an eighth embodiment of the flexible antenna structure 10 of the present utility model is shown; referring to fig. 19, another schematic diagram of the flexible printed circuit board 102, the first vertically extending flexible printed circuit board 116 and the second vertically extending flexible printed circuit board 118 according to the eighth embodiment of the flexible antenna structure 10 of the present utility model is shown; the components shown in fig. 13, 18 and 19 are identical to those shown in fig. 1, and thus, a description thereof will not be repeated here for the sake of brevity.

As shown in fig. 13, 18 and 19, the flexible antenna structure 10 of the present utility model further includes a first vertically extending flexible board 116, a first vertically extending flexible board 114, a second vertically extending flexible board 118 and a second vertically extending flexible board 120, wherein the first vertically extending flexible board 116 is connected to the flexible board 102 to vertically extend from the flexible board 102, the first vertically extending flexible board 114 is disposed on the first vertically extending flexible board 116, the second vertically extending flexible board 118 is connected to the flexible board 102 to vertically extend from the flexible board 102, the second vertically extending flexible board 120 is disposed on the second vertically extending flexible board 118, the flexible board 102, the first vertically extending flexible board 116 and the second vertically extending flexible board 118 are in a T shape, and the flexible board 102, the first vertically extending flexible board 116 and the second vertically extending flexible board 118 can be bent at any angle.

Please refer to fig. 20, which is a schematic diagram illustrating a ninth embodiment of a flexible antenna structure 10 according to the present utility model; referring to fig. 23, a schematic illustration of a flexible printed circuit board 102 of a ninth embodiment of the flexible antenna structure 10 is shown; please refer to fig. 24, which is another schematic diagram illustrating the flexible board 102 being bent according to the ninth embodiment of the flexible antenna structure 10 of the present utility model; the components shown in fig. 20, 23 and 24 are the same as those shown in fig. 1, and thus, a description thereof will not be repeated here for the sake of brevity.

As shown in fig. 20, 23 and 24, the flexible antenna structure 10 of the present utility model further includes an in-line structure 122, the in-line structure 122 is connected to the first hard board 104, and the in-line structure 122 has a U shape. With the in-line structure 122, the flexible antenna structure 10 of the present utility model can achieve that the flexible board 102 can be extended and adjusted and bent according to the required field type after the in-line antenna is inserted into a circuit board (not shown in fig. 20, 23 and 24).

Please refer to fig. 21, which is a schematic diagram illustrating a tenth embodiment of a flexible antenna structure 10 according to the present utility model; please refer to fig. 25, which is a schematic diagram illustrating a flexible printed circuit board 102 and a parallel-extending flexible printed circuit board 112 according to a tenth embodiment of the flexible antenna structure 10 of the present utility model being bent; please refer to fig. 26, which is another schematic diagram illustrating the flexible printed circuit board 102 and the parallel-extending flexible printed circuit board 112 being bent according to a tenth embodiment of the flexible antenna structure 10 of the present utility model; the components shown in fig. 21, 25 and 26 are the same as those shown in fig. 12, and thus, a description thereof will not be repeated here for the sake of brevity.

As shown in fig. 21, 25 and 26, the flexible antenna structure 10 of the present utility model further includes an in-line structure 122, the in-line structure 122 is connected to the first hard board 104, and the in-line structure 122 has a U shape. With the in-line structure 122, the flexible antenna structure 10 of the present utility model can achieve the in-line antenna insertion into a circuit board (not shown in fig. 21, 25 and 26), the flexible board 102 and the parallel extending flexible board 112 can be extended and adjusted and bent according to the required field.

Please refer to fig. 22, which is a schematic diagram illustrating a combination of an eleventh embodiment of the flexible antenna structure 10 according to the present utility model; referring to fig. 27, a schematic diagram of the flexible board 102, the first vertically extending flexible board 116 and the second vertically extending flexible board 118 according to an eleventh embodiment of the flexible antenna structure 10 of the present utility model is shown; please refer to fig. 28, which is another schematic diagram illustrating the flexible printed circuit board 102, the first vertically extending flexible printed circuit board 116 and the second vertically extending flexible printed circuit board 118 being bent according to an eleventh embodiment of the flexible antenna structure 10 of the present utility model; the components shown in fig. 22, 27 and 28 are identical to those shown in fig. 13, and thus, the description thereof will not be repeated here for the sake of brevity.

As shown in fig. 22, 27 and 28, the flexible antenna structure 10 of the present utility model further includes an in-line structure 122, the in-line structure 122 is connected to the first hard board 104, and the in-line structure 122 has a U shape. With the in-line structure 122, the flexible antenna structure 10 of the present utility model can achieve the in-line antenna insertion into a circuit board (not shown in fig. 22, 27 and 28), the flexible board 102, the first vertically extending flexible board 116 and the second vertically extending flexible board 118 can be extended and adjusted and bent according to the required field type.

However, the above description is only of the preferred embodiments of the present utility model, and the scope of the utility model is not limited to the above-mentioned embodiments, but is intended to be protected by the following claims. The present utility model is capable of other embodiments and its several details are capable of modification in various, obvious and obvious respects, all without departing from the spirit and scope of the present utility model, as will be apparent to those skilled in the art from the present utility model.

Claims (17)

1. A flexible antenna structure, comprising:

a soft board;

the first hard plate is arranged on the soft plate;

a soft antenna circuit arranged on the soft board; a kind of electronic device with high-pressure air-conditioning system

An antenna substructure is disposed on or in the first hard plate.

2. The flexible antenna structure of claim 1, wherein the antenna substructure is an antenna trace disposed on the first rigid board.

3. The flexible antenna structure of claim 2, wherein the flexible board comprises a plurality of first pads, the first hard board comprises a plurality of second pads, and the plurality of first pads are soldered to the plurality of second pads.

4. The flexible antenna structure of claim 2, further comprising:

a second hard plate arranged on the soft plate,

wherein a first thickness of the first hard plate is equal to a second thickness of the second hard plate.

5. The flexible antenna structure of claim 1, further comprising:

a second hard plate arranged on the soft plate,

wherein, this antenna substructure includes:

the first through holes are arranged in the first hard plate, the soft plate and the second hard plate so as to penetrate through the first hard plate, the soft plate and the second hard plate.

6. The flexible antenna structure of claim 5, wherein the antenna sub-structure further comprises:

an antenna circuit is disposed on the first hard board.

7. The flexible antenna structure of claim 6, wherein a first thickness of the first rigid plate is equal to a second thickness of the second rigid plate.

8. The flexible antenna structure of claim 1, further comprising:

a second hard plate arranged on the soft plate,

wherein, this antenna substructure includes:

a plurality of first via holes disposed in the first hard plate,

wherein, the second hard board is provided with a plurality of second via holes.

9. The flexible antenna structure of claim 8, wherein the antenna sub-structure further comprises:

an antenna circuit is disposed on the first hard board.

10. The flexible antenna structure of claim 9, wherein a first thickness of the first rigid plate is different from a second thickness of the second rigid plate.

11. The flexible antenna structure of claim 1, wherein the flexible board is bent at any angle.

12. The flexible antenna structure of claim 1, further comprising:

a parallel extending flexible board connected to the flexible board to extend in parallel from the flexible board; a kind of electronic device with high-pressure air-conditioning system

A first extended soft antenna circuit disposed on the parallel extended soft board.

13. The flexible antenna structure of claim 12, wherein the flexible board and the parallel-extending flexible board are bent at any angle.

14. The flexible antenna structure of claim 1, further comprising:

a first vertically extending flexible board connected to the flexible board to extend vertically from the flexible board;

a first extended soft antenna circuit disposed on the first vertically extended soft board;

a second vertically extending flexible board connected to the flexible board to extend vertically from the flexible board; a kind of electronic device with high-pressure air-conditioning system

And the second extended soft antenna circuit is arranged on the second vertical extended soft board, wherein the soft board, the first vertical extended soft board and the second vertical extended soft board are in a T shape.

15. The flexible antenna structure of claim 14, wherein the flexible board, the first vertically extending flexible board and the second vertically extending flexible board are bent at any angle.

16. The flexible antenna structure of claim 1, further comprising:

and the direct-inserting structure is connected to the first hard board.

17. The flexible antenna structure of claim 16, wherein the in-line structure is U-shaped.