CN215680929U

CN215680929U - Thin film antenna connector and thin film antenna feeding device

Info

Publication number: CN215680929U
Application number: CN202121825932.1U
Authority: CN
Inventors: 李高林; 吴忠良; 洪德辉
Original assignee: Anhui Jingzhuo Optical Display Technology Co Ltd
Current assignee: Anhui Jingzhuo Optical Display Technology Co Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-28
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a thin film antenna connector and a thin film antenna feeding device, which relate to the field of thin film antenna connection and comprise an inner conductor and an outer conductor which are insulated from each other, wherein the inner conductor penetrates out of the outer conductor to form a first contact surface matched with an upper-layer circuit of a thin film antenna, and the end surface of the outer conductor forms a second contact surface matched with a lower-layer circuit of the thin film antenna.

Description

Thin film antenna connector and thin film antenna feeding device

Technical Field

The utility model relates to the field of thin film antenna connection, in particular to a thin film antenna connector and a thin film antenna feeding device.

Background

Generally, the transparent film antenna is connected with the transmission line by welding, because the transparent film antenna usually adopts materials such as PET, COP, PC and PMMA as the base material, and such materials are not high temperature resistant, if welding is performed, the base material or the antenna film can be damaged with great possibility, and cost waste is caused, so that antenna feed cannot be welded by using a soldering iron, coupling (non-contact) feed is often adopted between the connection circuit of the film antenna and the film antenna, and the coupling feed means that the contact point area of the antenna and the contact surface of the connector have certain physical space interval and are not communicated with each other, so that the radiation efficiency of the antenna can be reduced by the coupling feed mode.

The coaxial connector in the prior art is respectively connected with an external circuit through an inner conductor and an outer conductor which are insulated from each other to realize contact feed, but the thickness of the film antenna is thinner, so that a conventional connector in the film antenna is generally designed in a welding mode, and the coaxial connector cannot be used in a film sheet wire which is not high in temperature resistance due to temperature limitation.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a thin film antenna connector and a thin film antenna feeding device, which are configured to form a transition joint of a thin film antenna by cooperation of various structures, so as to solve the problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a film antenna connector, includes phase insulation's inner conductor and outer conductor, the inner conductor is worn out and is formed the first contact surface with film antenna upper circuit assorted from the outer conductor in, the outer conductor terminal surface forms the second contact surface with film antenna lower floor circuit assorted, be formed with the clearance that is used for the centre gripping to carry the dielectric plate of upper circuit and lower floor circuit between first contact surface and the second contact surface for first contact surface links to each other with upper circuit contact, and the second contact surface links to each other with lower floor circuit contact.

As a further scheme of the utility model: the end part of the outer conductor is provided with a vertical plate for limiting the position of the outer conductor relative to the dielectric plate, and the inner conductor penetrates out of one side of the vertical plate arranged on the outer conductor and is not in contact with the vertical plate.

As a further scheme of the utility model: the distance between the first contact surface of the inner conductor and the second contact surface of the outer conductor is larger than the thickness of the dielectric plate, and the inner conductor, the outer conductor and the dielectric plate form a clamping state.

As a further scheme of the utility model: the thin film antenna connector further comprises a fixing support for respectively pressing the inner conductor and the outer conductor on the dielectric plate.

As a further scheme of the utility model: the fixed support comprises an upper support and a lower support, the upper support penetrates through the dielectric plate to be connected with the lower support, so that the first contact surface of the inner conductor is connected with the upper-layer circuit of the film antenna in a contact mode, and the second contact surface of the outer conductor is connected with the lower-layer circuit of the film antenna in a contact mode.

A film antenna feeder device comprises a dielectric plate carrying an upper layer circuit and a lower layer circuit of a film antenna and the film antenna connector which is connected with the dielectric plate in a clamping contact mode.

Compared with the prior art, the utility model has the beneficial effects that: the antenna has a novel structure, and can flexibly match upper and lower circuits on dielectric plates with different thicknesses by the inner conductor and the outer conductor which are oppositely arranged, and can ensure that the inner conductor is contacted with the upper circuit and the outer conductor is contacted with the lower circuit, so that the inner conductor and the outer conductor can be fixed with the dielectric plates, and the antenna can be ensured to be in the best state as far as possible by the non-welding contact type feed form at the position.

Drawings

Fig. 1 is a schematic view of an overall structure of a thin film antenna connector;

FIG. 2 is a schematic cross-sectional perspective view of a thin film antenna;

FIG. 3 is a schematic diagram of an upper layer structure of a thin film antenna connector and a thin film antenna after the thin film antenna connector is matched with the thin film antenna;

FIG. 4 is a schematic diagram of an underlying structure of a thin film antenna connector mated with a thin film antenna;

FIG. 5 is a schematic structural diagram of a thin film antenna feeding device;

in the figure: the connector SMA connector comprises an outer conductor 1, an insulating layer 2, an inner conductor 3, a dielectric plate 4, an upper circuit 5, a lower circuit 6, a vertical plate 7, a first contact surface 8, an upper support 9, a lower support 10 and a connector SMA female head 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the embodiment of the present invention, as shown in fig. 2 to 3, a thin film antenna connector includes an inner conductor 3 and an outer conductor 1, which are insulated from each other, the inner conductor 3 penetrates out of the outer conductor 1 and forms a first contact surface 8 matched with an upper layer circuit 5 of a thin film antenna, an end surface of the outer conductor 1 forms a second contact surface matched with a lower layer circuit 5 of the thin film antenna, and a dielectric plate 4 loaded with the upper layer circuit 5 and the lower layer circuit 5 is disposed between the first contact surface 8 and the second contact surface.

Example 1:

the structure of the thin film antenna connector sequentially comprises an inner conductor 3, an insulating layer 2 and an outer conductor 1 from inside to outside, wherein an upper-layer circuit 5 of the thin film antenna is fixed on the front surface of a dielectric plate 4, a lower-layer circuit 5 of the thin film antenna is fixed on the back surface of the dielectric plate 4, the inner conductor 3 is connected with the upper-layer circuit 5 of the thin film antenna through a first contact surface 8, the outer conductor 1 is connected with the lower-layer circuit 5 of the thin film antenna through a second contact surface, and the inner conductor 3, the upper-layer circuit 5 of the thin film antenna, the outer conductor 1 and the lower-layer circuit 5 of the thin film antenna are sequentially connected in series in a contact mode. Meanwhile, an SMA (shape memory alloy) adapter is formed at one end, far away from the dielectric plate 4, of the thin film antenna connector, so that the thin film antenna connector can be connected with a transmission line through a connector SMA female head 11, and signal transmission of the thin film antenna is realized. Compared with the mode that the antenna layer of the film antenna cannot be directly welded in the prior art, the utility model connects the upper-layer circuit 5 of the film antenna with the lower-layer circuit 5 of the film antenna in a contact communication mode through the connector, thereby effectively reducing the possibility of damaging the substrate and the film antenna in the circuit communication process, realizing better antenna signal transmission performance under other equivalent conditions, and simultaneously effectively improving the signal transmission performance of the antenna compared with the coupling (non-contact) feeding mode.

The end part of the outer conductor 1 is provided with a vertical plate 7 which is limited by the position of the outer conductor 1 relative to the dielectric plate 4, the inner conductor 3 penetrates out from one side of the outer conductor 1 provided with the vertical plate 7 and is not in contact with the vertical plate 7, the distance between a first contact surface 8 of the inner conductor 3 and a second contact surface of the outer conductor 1 is larger than the thickness of the dielectric plate 4, the inner conductor 3, the outer conductor 1 and the dielectric plate 4 form a clamping state, a thin film antenna connector can be clamped and fixed on the dielectric plate 4 through the matching action between the inner conductor 3 and the outer conductor 1, and meanwhile, the thin film antenna can be connected with the upper layer circuit 5 and the lower layer circuit 5 on the dielectric plate 4 in a contact mode. Compared with the connector in the prior art, the connector realizes the circuit communication on the dielectric plate 4 with a thinner thickness by changing the connection form, and can ensure the performance of the antenna to be in the best state as far as possible by the direct contact feed form.

Example 2:

the structure of the thin film antenna connector sequentially comprises an inner conductor 3, an insulating layer 2 and an outer conductor 1 from inside to outside, wherein an upper-layer circuit 5 of the thin film antenna is fixed on the front surface of a dielectric plate 4, a lower-layer circuit 5 of the thin film antenna is fixed on the back surface of the dielectric plate 4, the inner conductor 3 is connected with the upper-layer circuit 5 of the thin film antenna through a first contact surface 8, the outer conductor 1 is connected with the lower-layer circuit 5 of the thin film antenna through a second contact surface, and the inner conductor 3, the upper-layer circuit 5 of the thin film antenna, the outer conductor 1 and the lower-layer circuit 5 of the thin film antenna are sequentially connected in series in a contact mode.

The end part of the outer conductor 1 is provided with a vertical plate 7 which is limited by the position of the outer conductor 1 relative to the dielectric plate 4, the inner conductor 3 penetrates out from one side of the outer conductor 1 provided with the vertical plate 7 and is not in contact with the vertical plate 7, and the position of the outer conductor 1 relative to the dielectric plate 4 can be positioned in an auxiliary mode under the action of the vertical plate 7.

The thin film antenna connector further comprises a fixing support for respectively pressing the inner conductor 3 and the outer conductor 1 onto the dielectric plate 4, the fixing support comprises an upper support 9 and a lower support 10, the upper support 9 penetrates through the dielectric plate 4 to be connected with the lower support 10, so that the first contact surface 8 of the inner conductor 3 is in contact connection with the upper-layer circuit 5 of the thin film antenna, and the second contact surface of the outer conductor 1 is in contact connection with the lower-layer circuit 5 of the thin film antenna. The fixed support can press the inner conductor 3 and the outer conductor 1 on the dielectric plate 4, so that the inner conductor 1 and the outer conductor 1 can be firmly fixed on the dielectric plate 4, and the upper layer circuit 5 and the lower layer circuit 5 of the film antenna can be respectively connected with the inner conductor 1 and the outer conductor 1 in a contact manner. Compared with the connector in the prior art, the utility model can realize the circuit communication on the dielectric plate 4 with thinner thickness by changing the connection form of the inner and outer conductors 1 and the upper and lower layer circuits 5, and the direct contact feed form can ensure the performance of the antenna to be in the best state as far as possible.

A film antenna feed device comprises a dielectric plate carrying an upper layer circuit and a lower layer circuit of a film antenna and the film antenna connector which is connected with the dielectric plate in a clamping contact mode.

In the use process of the utility model, the inner conductor 3 and the outer conductor 1 which are oppositely (parallelly) arranged can flexibly match the upper layer circuit 5 and the lower layer circuit 5 on the dielectric plate 4 with different thicknesses, and the inner conductor 3 can be contacted with the upper layer circuit 5, the outer conductor 1 is contacted with the lower layer circuit 5, the connector is just matched and contacted with a thin film sheet line which does not resist high temperature, not only can fix the inner conductor 1 and the outer conductor 4, but also can ensure the performance of the antenna to be in the best state as far as possible in a contact type feed mode.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a film antenna connector, includes looks insulating inner conductor and outer conductor, its characterized in that, the inner conductor is worn out and is formed the first contact surface with film antenna upper circuit assorted from the outer conductor in, the outer conductor terminal surface forms the second contact surface with film antenna lower floor circuit assorted, be formed with the clearance that is used for the centre gripping to carry the dielectric plate of upper circuit and lower floor circuit between first contact surface and the second contact surface for first contact surface and upper circuit contact link to each other, and the second contact surface links to each other with lower floor circuit contact.

2. The connector of claim 1, wherein the end of the outer conductor is formed with a vertical plate for limiting the position of the outer conductor relative to the dielectric plate, and the inner conductor is protruded from one side of the vertical plate for disposing the outer conductor without contacting the vertical plate.

3. The connector of claim 1, wherein a distance between the first contact surface of the inner conductor and the second contact surface of the outer conductor is greater than a thickness of the dielectric plate, and the inner conductor and the outer conductor are clamped to the dielectric plate.

4. The connector of claim 1, further comprising fixing brackets for pressing the inner conductor and the outer conductor against the dielectric plate, respectively.

5. The connector of claim 4, wherein the fixing bracket comprises an upper bracket and a lower bracket, the upper bracket is connected to the lower bracket through the dielectric plate, such that the first contact surface of the inner conductor is connected to the upper line contact of the thin film antenna and the second contact surface of the outer conductor is connected to the lower line contact of the thin film antenna.

6. A film antenna feed arrangement comprising a dielectric plate carrying upper and lower layers of wiring for a film antenna and a film antenna connector as claimed in any of claims 1 to 5 for clamping contact connection to the dielectric plate.