WO2018094796A1

WO2018094796A1 - Antenna device, and communication terminal

Info

Publication number: WO2018094796A1
Application number: PCT/CN2016/111408
Authority: WO
Inventors: 王坤殿; 陈廷忠
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2016-11-25
Filing date: 2016-12-22
Publication date: 2018-05-31
Also published as: CN109565104A; CN206274546U

Abstract

Disclosed is an antenna device, comprising: a base; an adapter; an antenna; and a hollow sleeve having an open end and a closed end. The adapter is fixed to the base. The antenna is inserted into and connected to the adapter, and is electrically connected to an external element by means of the adapter. The sleeve is fixed to the base and receives the antenna. In the communication terminal and the antenna device of the present invention, an antenna is received in and protected by a sleeve, thereby protecting the antenna from corrosion due to long time exposure to the air. Compared with antennas exposed to the air, the antenna of the present invention still maintains favorable communication quality after long time usage. The invention also increases service life of an antenna.

Description

Antenna device and communication terminal

Technical field

The present invention relates to data transmission technologies, and in particular, to an antenna device and a communication terminal.

Background technique

The existing antenna is usually exposed to the air and the outer surface is coated with a special coating to improve its corrosion resistance, high temperature and low temperature performance. Because some of the coatings have attenuating the signal and the coating is easily detached from the antenna surface, the antenna is easily corroded. In turn, the communication quality of the antenna is deteriorated and the life of the antenna is reduced.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, the present invention proposes an antenna device and a communication terminal.

Embodiments of the present invention provide an antenna device including a base, a joint, an antenna, and a hollow sleeve having one end closed to the other end. The adapter is fixed to the base. The antenna is plugged into the adapter and electrically connected to an external component through the adapter. The sleeve is fixed to the base and houses the antenna.

In some embodiments, the base includes a first side and a second side opposite to each other, and the adapter includes a protective sleeve, a plug portion, and a mounting portion, the plug portion being self-protecting from the protective sleeve The mounting portion is sleeved on the peripheral wall of the protective cover and fixed on the second surface, and the plug portion is inserted into the antenna.

In some embodiments, the mounting portion conforms to the second side.

In some embodiments, the base includes a first side and a second side opposite to each other, and the adapter includes a protective sleeve, a plug portion, and a mounting portion, the plug portion being self-protecting from the protective sleeve The mounting portion is sleeved on the peripheral wall of the protective cover and fixed on the first surface, and the plug portion is inserted into the antenna.

In some embodiments, the mounting portion conforms to the first side.

In certain embodiments, the open end of the sleeve is secured to the first face.

In certain embodiments, the open end of the sleeve conforms to the first side.

In some embodiments, the antenna device further includes an annular connector, the connector is fixed on the first surface and includes an outer circumferential surface and an inner circumferential surface, and the connecting member surrounds the adapter The sleeve is fixedly coupled to the connecting member, an inner surface of the sleeve is fitted to the outer circumferential surface; or an outer surface of the sleeve is fitted to the inner circumferential surface.

In some embodiments, the sleeve is fixedly coupled to the connector by any one or a combination of snap fit, weld, glue bond, threaded connection.

In certain embodiments, the sleeve is integrally formed with the connector.

In some embodiments, the material of the connecting flange comprises any one or more of polyvinyl chloride, polytetrafluoroethylene, acrylonitrile-butadiene-styrene plastic.

In some embodiments, the sleeve is a split structure including a tubular portion open at both ends and a cover, the cover being detachably mounted at an open end of the tubular portion and constituting the a closed end of the sleeve; or the cover is fixedly mounted to an open end of the barrel and constitutes a closed end of the sleeve.

In some embodiments, the material of the susceptor includes any one or more of stainless steel, aluminum alloy, cast iron, and the like.

In some embodiments, the material of the sleeve comprises any one or more of polyvinyl chloride, polytetrafluoroethylene, acrylonitrile-butadiene-styrene plastic.

An embodiment of the present invention provides a communication terminal, which includes the antenna device according to any of the above embodiments.

The communication terminal and the antenna device according to the embodiment of the present invention protect the antenna by accommodating the antenna in the sleeve, thereby preventing the antenna from being easily corroded due to long-term exposure, so that the antenna can be kept longer after being used for a long time than the exposed antenna. Good communication quality and improved antenna life.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic perspective view of an antenna device according to an embodiment of the present invention.

2 is a perspective exploded view of the antenna device of FIG. 1.

3 is a perspective exploded view of an antenna apparatus according to an embodiment of the present invention.

4 is a schematic perspective view showing the assembly of an antenna device according to an embodiment of the present invention.

FIG. 5 is a perspective exploded view of the antenna device of FIG. 4. FIG.

Fig. 6 is a perspective view showing the assembly of an antenna device according to an embodiment of the present invention.

Fig. 7 is a perspective view showing the assembly of an antenna device according to an embodiment of the present invention.

FIG. 8 is a perspective exploded view of the antenna device of FIG. 7. FIG.

The main component symbol drawing description:

The antenna device 100, the base 10, the first surface 12, the second surface 14, the first mounting hole 16, the second mounting hole 18, the screw hole 11, the fourth mounting hole 13, the adapter 20, the protective cover 22, and the plug Portion 24, boss 242, connecting portion 244, mounting portion 26, through hole 262, first screw 28, antenna 30, connecting sleeve 32, sleeve 40, cavity 42, tube portion 44, cover body 46, body 460, The engaging portion 462, the flange 48, the connecting member 50, the outer circumferential surface 52, the inner circumferential surface 54, the third mounting hole 56, and the second screw 58.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position of the rear, left, right, top, horizontal, top, bottom, inner, outer, clockwise, counterclockwise The relationship is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the invention and the simplification of the description, and does not indicate or imply that the device or component referred to has a specific orientation, is constructed and operated in a specific orientation, and thus It is not to be understood as limiting the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include one or more of the described features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of the specific examples are described below. Of course, they are merely examples and are not intended to limit the invention. In addition, the present invention may be repeated with reference to the numerals and/or reference numerals in the various examples, which are for the purpose of simplicity and clarity, and do not indicate the relationship between the various embodiments and/or arrangements discussed. Moreover, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the use of other processes and/or the use of other materials.

Referring to FIG. 1 and FIG. 2 , an antenna device 100 according to an embodiment of the present invention includes a base 10 , a adapter 20 , an antenna 30 , and a sleeve 40 .

The base 10 has a plate-like structure, and the base 10 includes a first surface 12 and a second surface 14 opposite to each other. In the embodiment, the first surface 12 and the second surface 14 are both planar. The base 10 defines a first mounting hole 16 extending through the first surface 12 and the second surface 14 , a second mounting hole 18 , and a plurality of threaded holes 11 surrounding the second mounting hole 18 . The material of the susceptor 10 includes any one or more of corrosion-resistant metals such as stainless steel, aluminum alloy, and cast iron. In other embodiments, the first surface 12 and the second surface 14 are not limited to being planar, and the first surface 12 may be a paraboloid, a tapered surface, a spherical surface, or the like recessed toward the second surface 14 , and the second surface 14 It is a plane. In other embodiments, the material of the base 10 may also be plastic, rubber or other non-metal.

The adapter 20 is mounted on the base 10 and includes a protective cover 22, a plug portion 24, and a mounting portion 26. The protective cover 22 is in the form of a cylinder and includes a peripheral wall 222. The insertion portion 24 extends from one end of the protective cover 22, and the insertion portion 24 includes a cylindrical boss 242 and a connecting portion 244 disposed on the boss 242 and having a cylindrical shape. The mounting portion 26 defines a plurality of through holes 262 that match the number and position of the threaded holes 11 on the base 10. The mounting portion 26 is sleeved on the peripheral wall 222 of the protective cover 22. The first screw 28 passes through the through hole 262 and is screwed into the threaded hole 11 to fix the mounting portion 26 on the second surface 14. At this time, the plug portion 24 and the boss 242 pass through the second mounting hole 18 to be installed. The portion 26 is bonded to the second surface 14. In the present embodiment, the surface on which the attachment portion 26 and the second surface 14 are bonded is rectangular, and the number of the screw holes 11, the number of the through holes 262, and the number of the first screws 28 are four. In other embodiments, the surface on which the mounting portion 26 and the second surface 14 are bonded is not limited to a rectangular shape, and may be other shapes such as a circle, an ellipse, a triangle, a hexagon, or the like, the number of the screw holes 11 and the through hole 262. The number of the first screws 28 and the number of the first screws 28 are not limited to four, and may be any number of two, three or more than two. In other embodiments, the mounting portion 26 can be formed by an outward extension of the end of the peripheral wall 222. In other embodiments, the mounting portion 26 and the second surface 14 do not fit together, and there is a gap therebetween, and a sealing ring can be used to seal the gap between the mounting portion 26 and the second surface 14. The portion of the joint 24 passes through the second mounting hole 18, and the boss 242 can pass through or It does not pass through the second mounting hole 18. In other embodiments, the adapter 20 can also be mounted on the second face 14 in any one or a combination of the manner of snapping, glue bonding, welding, or the like.

In the embodiment, the antenna 30 is a clover antenna, and the antenna 30 includes a connecting sleeve 32 connected to the adapter 20. In the embodiment, the connecting sleeve 32 has a columnar structure with a hexagonal cross section, and the connecting sleeve 32 is internally opened and transferred. The insertion portion 24 of the member 20 is matched with a circular hole (not shown), the insertion portion 24 is inserted and fixed in the circular hole, and the antenna 30 is electrically connected to an external component (not shown) through the adapter 20 to make the antenna The transmission of data signals can be achieved between 30 and external components. In other embodiments, the connecting sleeve 32 is not limited to a columnar structure having a hexagonal cross section, and may be a columnar structure having a circular, triangular, quadrangular, pentagonal or the like cross section. In other embodiments, the antenna 30 may also be a four-leaf clover antenna, a mushroom antenna, a booster antenna, a panel antenna, or the like.

The sleeve 40 has a cylindrical shape. One end of the sleeve 40 is closed and the other end is open. The open end of the sleeve 40 is attached to the first surface 12 and bonded to the first surface 12 of the base 10 by glue. The sleeve 40 A closed cavity 42 is formed with the base 10, the antenna 30 is received in the cavity 42, and the second mounting hole 18 of the base 10 is in communication with the cavity 42. The material of the sleeve 40 is an engineering plastic having corrosion resistance and high temperature resistance and not affecting signals, and includes any one or more of polyvinyl chloride, polytetrafluoroethylene, and acrylonitrile-butadiene-styrene plastic. In some embodiments, the sleeve 40 can also be secured to the base 10 by any one or a combination of snap fit, weld, glue bond, threaded connection. In some embodiments, the shape of the sleeve 40 is not limited to a cylindrical shape, and may be a columnar structure in which the end faces are triangular, quadrangular, pentagonal, hexagonal, elliptical, or the like, or other non-columnar structures. , such as a hemispherical shape, the closed end is smaller than the open end of the conical shape.

The communication terminal (not shown) provided by the embodiment of the present invention includes the antenna device 100 described above, and the antenna device 100 is fixed through the first mounting hole 16 on the base 10 by fasteners such as screws and bolts. It is defined on other components of the communication terminal to constitute the communication terminal. The communication terminal may be a fixed base station, a portable mobile terminal, or a portable device such as a car, a train, a ship, a drone, an airplane, or the like.

The communication terminal and the antenna device 100 according to the embodiment of the present invention protect the antenna 30 by accommodating the antenna 30 in the cavity 42 formed by the susceptor 10 and the sleeve 40, thereby preventing the antenna 30 from being corroded due to long-term exposure. Therefore, compared with the exposed antenna, the antenna can maintain good communication quality after long-term use, and the life of the antenna 30 is improved.

Further, the communication terminal and the antenna device 100 also have the following beneficial effects: First, the susceptor 10 made of a corrosion-resistant metal material can reflect the wireless signal to the antenna 30 to enhance the wireless signal received by the antenna 30; The material of the sleeve 40 has anti-corrosion and high temperature resistance and does not affect the transmission of the wireless signal. Therefore, under the premise of ensuring that the antenna 30 can obtain better communication quality, the antenna 30 can be indirectly ensured by its own durability. The service life.

Referring to FIG. 3 , in some embodiments, the positional setting of the adapter 20 is not limited to the fitting of the mounting portion 26 to the second surface 14 , and the position of the adapter 20 may be set such that the mounting portion 26 and the base The first face 12 of the seat 10 is fitted. Specifically, the first screw 28 is screwed into the threaded hole 11 in the cavity 42 and through the through hole 262 to fix the mounting portion 26 on the first face 14 . The insertion portion 24, the boss 242 and the mounting portion 26 are both received in the cavity 42. The protective cover 22 is electrically connected to the external component through the second mounting hole 18 to enable data signals between the antenna 30 and the external component. Transmission. Since the position of the adapter 20 is such that the insertion portion 24 and the mounting portion 26 of the adapter 20 are both fixed in the cavity 42, the antenna device 100 occupies less space and is more compact. It can be understood that when the mounting portion 26 is attached to the first surface 12 of the base 10, the first screw 28 can also be disposed outside the cavity 42 and on the side where the second surface 14 is located. When only the through hole 262 is changed to a threaded hole, the screw connection can be fixed. Similarly, the mounting portion 26 and the first surface 12 may not be bonded together, and there is a gap therebetween, and a sealing ring may be used for sealing the gap existing between the mounting portion 26 and the first surface 12. The adapter 20 can also be mounted on the first face 12 by any one or a combination of engagement, glue bonding, welding, and the like.

Referring to FIGS. 4 and 5 , in some embodiments, the antenna device 100 further includes an annular connector 50 . The connecting member 50 includes an outer circumferential surface 52 and an inner circumferential surface 54 and is provided with a plurality of third mounting holes 56 extending through both end faces of the connecting member 50. The base 10 is provided with a fourth mounting hole 13 matching the third mounting hole 56. The second screw 58 passes through the third mounting hole 56 and is screwed into the fourth mounting hole 13 so that the connecting member 50 surrounds the adapter. 20 is fixed to the first face 12 of the base 10. The sleeve 40 passes through the connector 50 and the outer surface of the sleeve 40 is bonded to the inner circumferential surface 54 and bonded by glue. The glue here serves as a connection on the one hand and a sealing effect on the other hand. The material of the connecting member 50 includes any one or more of polyvinyl chloride, polytetrafluoroethylene, and acrylonitrile-butadiene-styrene plastic. In other embodiments, the sleeve 40 is sleeved over the connector 50 and the inner surface of the sleeve 40 is attached to the outer circumferential surface 52 and bonded by glue. As such, it is convenient to secure the sleeve 40 to the base 10. In other embodiments, the sleeve 40 is fixedly coupled to the connector 50 by any one or a combination of snap fit, weld, glue bond, threaded connection.

Specifically, when the inner surface of the sleeve 40 is screwed to the outer circumferential surface 52, the inner surface of the sleeve 40 is formed with internal threads, and the outer circumferential surface 52 of the coupling member 50 is formed to match the internal thread of the sleeve 40. The external thread, the internal thread of the sleeve 40 is engaged with the external thread of the connecting member 50 to achieve the threaded connection of the sleeve 40 with the connecting member 50; when the outer surface of the sleeve 40 is screwed with the inner circumferential surface 54, the sleeve 40 is The outer surface is formed with an external thread, and the inner circumferential surface 54 of the coupling member 50 is formed with an internal thread, and the external thread of the sleeve 40 is engaged with the internal thread of the coupling member 50 to effect the threaded connection of the sleeve 40 with the coupling member 50.

Referring to Figures 4 and 6, in some embodiments, with reference to the above-mentioned embodiment, the sleeve 40 extends outwardly from the outer surface to form a flange 48 that conforms to the shape of the connector 50, that is, the sleeve 40 and the connecting member 50 are integrally formed. Thus, the split structure composed of the sleeve 40 and the connecting member 50 not only reduces the step of glue bonding, but also makes the structure more stable and the sealing performance is better.

Referring to FIG. 7 and FIG. 8 , in some embodiments, the sleeve 40 is a split structure, and the sleeve 40 includes a tubular portion 44 and a cover 46 that are open at both ends, and the end surface of the cover 46 away from the end of the tubular portion 44 is The cover body 46 includes a body 460 and an engaging portion 462 extending outward from the body 460. The engaging portion 462 has an annular shape, and the engaging portion 462 is engaged with the engaging portion 462. The outer surface dimension matches the inner surface dimension of the sleeve 40, and the engagement portion 462 of the cover 46 is removably snapped into an open end of the barrel portion 44 and constitutes the closed end of the sleeve 40. Thus, on the one hand, the tubular portion 44 of the sleeve 40 and the cover body 46 are separately manufactured separately, and the separately manufactured molding is easier to manufacture integrally than the sleeve 40 and the cover body 46; on the other hand, the cover body 46 can be The disassembly and assembly is convenient for the user to remove the cover body 46 and check the use of the antenna 30 through the open end. In other embodiments, the engaging portion 462 can be formed with an external thread, the open end of the tubular portion 44 can be formed with an internal thread, and the cover 46 and the tubular portion 44 can be screwed. In other embodiments, the end surface of the cover body 46 away from the end of the tubular portion 44 is not limited to a planar shape, and the end surface may also have an outwardly convex shape such as a conical shape, a paraboloid shape, a spherical surface, or the like.

In some embodiments, the cover 46 can also be non-removably secured to an open end of the barrel 44 and form the closed end of the sleeve 40. The cover 46 can also be fixedly coupled to the tubular portion 44 by any one or a combination of welding, glue bonding, and riveting.

In the description of the present specification, the terms "some embodiments", "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or The description of "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, "a plurality" means at least two, for example two, three, unless specifically defined otherwise.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The scope of the invention is defined by the claims and their equivalents.

Claims

An antenna device, characterized in that the antenna device comprises:

Pedestal

a adapter fixed to the base;

An antenna interposed with the adapter and electrically connected to an external component through the adapter; and

A hollow sleeve having an open end at one end is closed, and the sleeve is fixed to the base and houses the antenna.
The antenna device according to claim 1, wherein the base comprises a first surface and a second surface opposite to each other, and the adapter comprises a protective sleeve, a plug portion, and a mounting portion, the plugging The portion extends from one end of the protective sleeve, and the mounting portion is sleeved on the peripheral wall of the protective sleeve and fixed on the second surface, and the plug portion is inserted into the antenna.
The antenna device according to claim 2, wherein the mounting portion is attached to the second surface.
The antenna device according to claim 1, wherein the base comprises a first surface and a second surface opposite to each other, and the adapter comprises a protective sleeve, a plug portion, and a mounting portion, the plugging The portion extends from one end of the protective sleeve, and the mounting portion is sleeved on the peripheral wall of the protective sleeve and fixed on the first surface, and the plug portion is inserted into the antenna.
The antenna device according to claim 4, wherein the mounting portion is attached to the first surface.
The antenna device according to any one of claims 2 to 4, wherein the open end of the sleeve is fixed to the first surface.
The antenna device according to claim 6, wherein said open end of said sleeve The first side is attached.
The antenna device according to any one of claims 2 to 4, wherein the antenna device further includes an annular connecting member, the connecting member being fixed to the first surface and including an outer circumferential surface and an inner circumferential surface The connecting member surrounds the adapter, and the sleeve is fixedly connected to the connecting member,

The inner surface of the sleeve is fitted to the outer circumferential surface; or

The outer surface of the sleeve is in contact with the inner circumferential surface.
The antenna device according to claim 8, wherein the sleeve is fixedly coupled to the connector by any one or a combination of snapping, welding, glue bonding, and screwing.
The antenna device according to claim 8, wherein said sleeve is integrally formed with said connecting member.
The antenna device according to claim 8, wherein the material of the connecting flange comprises any one or more of polyvinyl chloride, polytetrafluoroethylene, and acrylonitrile-butadiene-styrene plastic.
The antenna device according to claim 1, wherein the sleeve is a split structure, and includes a tubular portion open at both ends and a cover.

The cover is detachably mounted at an open end of the tubular portion and constitutes a closed end of the sleeve; or

The cover is fixedly mounted to an open end of the barrel and constitutes a closed end of the sleeve.
The antenna device according to claim 1, wherein the material of the susceptor comprises any one or more of stainless steel, aluminum alloy, cast iron, and the like.
The antenna device according to claim 1, wherein said sleeve material package Any one or more of polyvinyl chloride, polytetrafluoroethylene, acrylonitrile-butadiene-styrene plastics.
A communication terminal comprising the antenna device according to any one of claims 1-14.