CN210040540U

CN210040540U - Integrated antenna and communication equipment

Info

Publication number: CN210040540U
Application number: CN201921419311.6U
Authority: CN
Inventors: 李祥; 王辉耀; 方杰
Original assignee: Shenzhen Water World Co Ltd
Current assignee: Shenzhen Waterward Information Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-02-07
Anticipated expiration: 2029-08-27

Abstract

The application discloses an integrated antenna and communication equipment, wherein the integrated antenna comprises a radio frequency coaxial connector, a spiral antenna body with conductivity and a polarizer with conductivity, the spiral antenna body comprises a core part and a spiral part, one end of the spiral part is fixedly connected with the bottom end of the polarizer, and the other end of the spiral part is connected with the core part to form a whole; the radio frequency coaxial connector is internally provided with an insulator, the radio frequency coaxial connector is sleeved on the core part through the insulator, and one end, far away from the spiral part, of the core part penetrates through the radio frequency coaxial connector. The integrated antenna has the advantages of simple and compact structure, small volume and low cost.

Description

Integrated antenna and communication equipment

Technical Field

The present application relates to the field of communications technologies, and in particular, to an integrated antenna and a communications device.

Background

An antenna is a device for converting a guided wave on a transmission line and an electromagnetic wave propagating in space into each other, and is widely used in engineering systems such as radio communication, broadcasting, navigation, radar, and the like as an important component for transmitting and receiving an electromagnetic wave in radio equipment.

The antennas of various smart devices in the market are various, wherein, the external antennas are used in the existing car system, especially the PCB (Printed Circuit Board) patch antennas are most commonly used, but the structure of such car antennas is generally not compact enough, resulting in a large volume occupied by the housing, which affects the beauty of the car, and in order to facilitate the use of users, generally longer coaxial lines are needed to be configured as transmission lines for signals, so the material cost of the antennas is increased, some manufacturers can select shorter coaxial lines in order to save the cost, and therefore the quality of such car antennas in the market is also mostly uneven.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide an integration antenna and communication equipment, aim at solving current on-vehicle antenna bulky, problem with high costs.

The application provides an integrated antenna, which comprises a radio frequency coaxial connector, a spiral antenna body with conductivity and a polarizer with conductivity, wherein the spiral antenna body comprises a core part and a spiral part, one end of the spiral part is fixedly connected with the bottom end of the polarizer, and the other end of the spiral part is connected with the core part to form a whole; the radio frequency coaxial connector is internally provided with an insulator, the radio frequency coaxial connector is sleeved on the core part through the insulator, and one end, far away from the spiral part, of the core part penetrates through the radio frequency coaxial connector.

Further, the polarizer is a hollow metal cylinder.

Further, the bottom end of the polarizer is provided with an arc part, and one end of the spiral part is welded with the polarizer through the arc part.

Furthermore, one end of the radio frequency coaxial connector, which is far away from the spiral part, is provided with a base and an installation part, the installation part is arranged at the bottom of the base, a first through hole is formed in the base, and one end of the core part penetrates through the first through hole and is spaced from the installation part.

Further, the installation department includes a plurality of stitches, and a plurality of stitches set up in the bottom of base.

Further, the insulator comprises a first insulating part and a second insulating part, the first insulating part is located at one end, close to the spiral part, of the radio frequency coaxial connector, the second insulating part is located at one end, far away from the spiral part, of the radio frequency coaxial connector, and a gap exists between the first insulating part and the second insulating part.

Further, the bottom of the second insulating portion is flush with the bottom of the base, or in the axial direction of the rf coaxial connector, a first distance between the bottom of the second insulating portion and the bottom end of the polarizer is smaller than a second distance between the bottom of the base and the bottom end of the polarizer.

Furthermore, the radio frequency coaxial connector is also provided with a columnar shell, one end of the shell is connected with the base to form a whole, a second through hole is formed in the shell and communicated with the first through hole, and the shell is sleeved on the insulator through the second through hole.

Furthermore, the integrated antenna further comprises an insulating protective shell, wherein the insulating protective shell covers the polarizer, the spiral antenna body and the radio frequency coaxial connector.

The application also provides a communication device comprising the integrated antenna.

The beneficial effect of this application is: the integrated antenna provided by the application adopts an integrated structural design, is mainly formed by assembling a polarizer, a spiral antenna body and a radio frequency coaxial connector, has a simple and compact structure and a small volume, and only needs to install one end of the radio frequency coaxial connector far away from a spiral part on a vehicle machine mainboard when being installed and used, and does not need to use an extra coaxial line for connection, thereby saving unnecessary material cost.

Drawings

Fig. 1 is a schematic perspective view of an integrated antenna according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of an integrated antenna according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of an integrated antenna according to another embodiment of the present application;

fig. 4 is a schematic view illustrating an installation of an integrated antenna according to an embodiment of the present application.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1 to 4, the present embodiment provides an integrated antenna, including a radio frequency coaxial connector 3, a spiral antenna body 2 having conductivity, and a polarizer 1 having conductivity, where the spiral antenna body 2 includes a core 22 and a spiral part 21 having a specified pitch, one end of the spiral part 21 is fixedly connected to a bottom end of the polarizer 1, and the other end is connected to the core 22 to form an integrated body; the radio frequency coaxial connector 3 has an insulator (not shown), the radio frequency coaxial connector 3 is sleeved on the core 22 through the insulator, and one end of the core 22 far away from the spiral part 21 penetrates through the radio frequency coaxial connector 3.

In this embodiment, this integrated antenna adopts the structural design of integration, mainly by the polarizer 1, spiral antenna body 2 and the assembly of radio frequency coaxial connector 3 triplex, simple structure is compact, small, when the installation is used, only need with radio frequency coaxial connector 3 keep away from spiral portion 21 one end install on car machine mainboard 5 can, and need not to use extra coaxial line to connect, consequently can save unnecessary material cost.

The working principle of the integrated antenna is as follows: when the radio frequency signal is transmitted outwards, the radio frequency signal starts from the car machine main board 5, enters the spiral part 21 through the transmission of the core part 22, a small part of the radio frequency signal is radiated to the outside by the spiral part 21, and the rest part of the radio frequency signal is continuously transmitted to the polarizer 1 along the spiral part 21 and is radiated to the outside by the polarizer 1, so that the signal transmission is realized; when receiving an external radio frequency signal, the polarizer 1 may receive a small portion of the radio frequency signal, the spiral portion 21 may receive a large portion of the radio frequency signal, and the received radio frequency signal is directly transmitted to the vehicle motherboard 5 through the core portion 22, thereby achieving signal reception. When the integrated antenna receives and transmits radio-frequency signals, the signal transmission distance is short, and no metal is shielded in the signal transmission process, so that the signal loss is small, and a good signal receiving and transmitting effect can be obtained.

Referring to fig. 2, in an alternative embodiment, the polarizer 1 is a hollow metal cylinder.

In this embodiment, the polarizer 1 is a metal cylinder, so that the polarizer 1 can radiate radio frequency signals omnidirectionally, which is beneficial to improving the coverage of signals, and meanwhile, the metal cylinder with a hollow structure is used as the polarizer 1, which not only can save materials, but also can avoid the problem that the polarizer 1 shakes due to excessive weight, thereby being beneficial to improving the stability of signal receiving and transmitting, wherein the metal cylinder can be a metal cuboid, a metal cylinder, or other columnar metal bodies, as long as the use requirements can be met, which is not particularly limited, and in some preferred embodiments, based on the comprehensive consideration of electrical conductivity and material cost, the materials of the polarizer 1 and the spiral antenna 2 are preferably copper materials.

Referring to fig. 2, in an alternative embodiment, the bottom end of the polarizer 1 has a circular arc portion 11, and one end of the spiral portion 21 is welded to the polarizer 1 through the circular arc portion 11.

In this embodiment, the bottom end of the polarizer 1 is designed to be an arc surface, so that the center position of the bottom of the polarizer 1 can be conveniently determined, and thus, one end of the spiral portion 21 can be conveniently welded to the center of the bottom of the polarizer 1, so that the overall appearance is more beautiful (symmetrical), and of course, the bottom end of the polarizer 1 may also be made to be other shapes, such as a plane, a convex shape, and the like, as long as the use requirement can be met, and no specific limitation is imposed on the bottom end.

Referring to fig. 2, in an alternative embodiment, the end of the rf coaxial connector 3 away from the spiral portion 21 has a base 32 and a mounting portion (not shown), the mounting portion is disposed at the bottom of the base 32, the base 32 has a first through hole (not shown), and one end of the core 22 extends through the first through hole and is spaced apart from the mounting portion.

In this embodiment, specifically, when the installation is used, the base 32 is only required to be installed on the vehicle main board 5 through the installation portion, so that the integral installation of the integrated antenna can be realized, and the installation is very convenient and fast.

Referring to fig. 1, 2 and 4, in an alternative embodiment, the mounting portion includes a plurality of pins 33, and the plurality of pins 33 are disposed on the bottom of the base 32.

In the present embodiment, the number of the pins 33 is not particularly limited as long as the mounting requirement can be satisfied. In a specific embodiment, the number of the pins 33 is four, one end of the core 22 away from the spiral portion 21 penetrates through the rf coaxial connector 3 and is flush with the bottom ends of the four pins 33 (mainly considering the beauty), correspondingly, four mounting holes corresponding to the four pins 33 and a mounting hole corresponding to one end of the core 22 are provided on the car machine main board 5, when the car machine main board is installed and used, only one end of the four pins 33 and one end of the core 22 need to be inserted into the corresponding mounting holes and welded, and the installation is very convenient and firm.

Referring to fig. 2, in an alternative embodiment, the insulator includes a first insulating portion 301 and a second insulating portion 302, the first insulating portion 301 is located at an end of the rf coaxial connector 3 close to the spiral portion 21, the second insulating portion 302 is located at an end of the rf coaxial connector 3 far from the spiral portion 21, and a space exists between the first insulating portion 301 and the second insulating portion 302.

In the present embodiment, the sectional design of the insulator can not only ensure the stability of the connection between the helical antenna body 2 and the rf coaxial connector 3, and avoid the helical antenna body 2 from contacting with the external metal to affect the signal receiving and transmitting effect (e.g., avoid contacting with the metal part of the rf coaxial connector 3), but also save the material cost. Specifically, the first insulating portion 301 and the second insulating portion 302 may be cylinders of plastic, in which through holes are provided to fit the core 22.

Referring to fig. 2 and 4, in an alternative embodiment, the bottom of the second insulating portion 302 is flush with the bottom of the base 32, or a first distance between the bottom of the second insulating portion 302 and the bottom end of the polarizer 1 in the axial direction of the rf coaxial connector 3 is smaller than a second distance between the bottom of the base 32 and the bottom end of the polarizer 1.

In some embodiments, the bottom of the second insulating portion 302 is flush with the bottom of the base 32, which not only ensures that the base 32 can be smoothly mounted on the vehicle motherboard 5, but also has a more beautiful structure; in other embodiments, in the axial direction of the rf coaxial connector 3, a first distance between the bottom of the second insulating portion 302 and the bottom end of the polarizer 1 is smaller than a second distance between the bottom of the base 32 and the bottom end of the polarizer 1, so that material cost can be saved, and the second insulating portion 302 can be prevented from protruding out of the bottom of the base 32 to affect the overall installation.

Referring to fig. 1 and 2, in an alternative embodiment, the rf coaxial connector 3 further has a cylindrical housing 31, one end of the housing 31 is connected with the base 32 to form a whole, and the materials of the housing 31 and the base 32 are preferably copper materials, wherein, in the axial direction of the rf coaxial connector 3, the housing 31 has a second through hole (not shown) therein, the second through hole is communicated with the first through hole, and the housing is sleeved on the insulator through the second through hole. In the axial direction of the radio frequency coaxial connector 3, the length of the spiral portion 21 is smaller than the length of the polarizer 1 and the length of the housing 31.

In this embodiment, in the axial direction of the rf coaxial connector 3, the length of the spiral portion 21 is smaller than the length of the polarizer 1 and the length of the housing 31, so that the overall size of the antenna is favorably shortened on the premise that the performance of the antenna is not affected, and the structure of the antenna is smaller and more beautiful. In this embodiment, it should be noted that the diameters of the first through hole and the second through hole may be the same or different, where the first insulating portion 301 is matched with the second through hole, and the second insulating portion 302 may be disposed in the second through hole, the first through hole, or both the first through hole and the second through hole, as long as the usage requirement can be met, which is not limited specifically.

Referring to fig. 2 to 4, in an alternative embodiment, the aforementioned integrated antenna further includes an insulating protective case 4, and the insulating protective case 4 covers the polarizer 1, the helical antenna body 2, and the radio frequency coaxial connector 3.

In this embodiment, the insulation protection shell 4 is provided to not only achieve an aesthetic effect, but also achieve a protective effect, so as to protect the main body of the antenna, particularly the polarizer 1 and the helical antenna body 2, from being damaged by improper manual operation, specifically, the insulation protection shell 4 is a cylindrical plastic shell, in some embodiments, the insulation protection shell 4 may wrap the polarizer 1, the helical antenna body 2, and the rf coaxial connector 3 by means of sleeving, in other embodiments, the insulation protection shell 4 may also wrap the polarizer 1, the helical antenna body 2, and the rf coaxial connector 3 by means of screwing (for example, an internal thread is provided at one end of the insulation protection shell 4 away from the polarizer 1, and a corresponding external thread is provided on the rf coaxial connector 3), and of course, the polarizer 1, the helical antenna body 2, and the rf coaxial connector 3 may also be wrapped by other means, The spiral antenna body 2 and the rf coaxial connector 3 are accommodated in the insulating protective case 4, as long as the use requirement can be satisfied, and no particular limitation is imposed thereon.

Referring to fig. 1 and 2, in some embodiments, the diameter of the polarizer 1 may be 4 to 6mm, the wire diameter of the spiral part 21 may be 0.5 to 0.7mm, the pitch may be 1.5 to 3mm, the diameter of the core part 22 may be 0.5 to 0.7mm, and the diameter of the cylindrical shell 31 part in the rf coaxial connector 3 may be 4 to 6 mm; in the vertical direction, the length of the polarizer 1 may be 14 to 16mm, the length of the spiral part 21 may be 8 to 12mm, the length of the core part 22 may be 28 to 35mm, and the length of the cylindrical housing 31 part in the radio frequency coaxial connector 3 may be 20 to 25 mm.

In this embodiment, the communication device is a device including one or more integrated antennas in any of the above embodiments, and these devices may be specially designed and manufactured for the required purpose, for example, a car machine, a radio, a router, etc., without being limited in particular.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. An integrated antenna is characterized by comprising a radio frequency coaxial connector, a spiral antenna body with conductivity and a polarizer with conductivity, wherein the spiral antenna body comprises a core part and a spiral part, one end of the spiral part is fixedly connected with the bottom end of the polarizer, and the other end of the spiral part is connected with the core part to form a whole; the radio frequency coaxial connector is internally provided with an insulator, the radio frequency coaxial connector is sleeved on the core part through the insulator, and one end, far away from the spiral part, of the core part penetrates through the radio frequency coaxial connector.

2. The integrated antenna of claim 1, wherein the polarizer is a hollow metal cylinder.

3. The integrated antenna according to claim 2, wherein the bottom end of the polarizer has a circular arc portion, and one end of the spiral portion is welded to the polarizer through the circular arc portion.

4. The integrated antenna of claim 1, wherein the end of the rf coaxial connector away from the spiral portion has a base and a mounting portion, the mounting portion is disposed at the bottom of the base, the base has a first through hole therein, and the core portion has an end penetrating through the first through hole and spaced from the mounting portion.

5. The integrated antenna of claim 4, wherein the mounting portion comprises a plurality of pins disposed at a bottom of the base.

6. The integrated antenna of claim 4, wherein the insulator comprises a first insulating portion and a second insulating portion, the first insulating portion is located at an end of the RF coaxial connector close to the spiral portion, the second insulating portion is located at an end of the RF coaxial connector far from the spiral portion, and a space exists between the first insulating portion and the second insulating portion.

7. The integrated antenna of claim 6, wherein the bottom of the second insulating portion is flush with the bottom of the base, or a first distance between the bottom of the second insulating portion and the bottom end of the polarizer is smaller than a second distance between the bottom of the base and the bottom end of the polarizer in the axial direction of the RF coaxial connector.

8. The integrated antenna of claim 4, wherein the RF coaxial connector further comprises a cylindrical housing, one end of the housing is integrally connected to the base, the housing has a second through hole therein, the second through hole is communicated with the first through hole, and the housing is sleeved on the insulator through the second through hole.

9. The integrated antenna of any one of claims 1 to 8, further comprising an insulating protective case encasing the polarizer, the helical antenna body, and the radio frequency coaxial connector.

10. A communication device comprising an integrated antenna as claimed in any one of claims 1 to 9.