CN116417789A - An antenna terminal - Google Patents

Abstract

The application provides an antenna using terminal, the antenna using terminal includes the shell, mainboard and antenna, the mainboard includes the processor, the antenna includes antenna wiring, radio frequency front end and base plate, the antenna wiring is used for transmitting and receiving signal, the radio frequency front end is used for receiving and sending radio frequency signal, antenna wiring and radio frequency front end set up at the base plate, wherein, the shell is used for supporting and protecting mainboard and antenna, antenna and mainboard connection, through setting up the radio frequency front end on the antenna, thereby the components and parts quantity on the mainboard has been reduced, the messenger mainboard can be miniaturized, and make the heat source disperse, be favorable to the heat dissipation, thereby improve the stability and the security of antenna using terminal, the distance of radio frequency front end and antenna shortens also can reduce antenna signal's loss and interference, the uniformity of antenna using terminal is also better.

Description

An antenna terminal

technical field

The present application relates to the communication field, and in particular to a terminal using an antenna.

Background technique

With the development of technology, various antenna terminals play different roles in life, making people's lives greatly improved. However, the current antenna terminals still face many problems, such as the difficulty of miniaturization of antenna terminals, and the When the terminal is working, heat will affect the stability and reliability of the work.

Contents of the invention

The present application provides an antenna using terminal, which is used to solve the problems that the performance of the antenna using terminal is affected by heat and it is difficult to miniaturize.

The present application provides an antenna using terminal, and the antenna using terminal includes:

shell;

Motherboards, including processors;

An antenna, the antenna includes an antenna trace, a radio frequency front end and a substrate, the antenna trace is used to transmit and receive signals, the radio frequency front end is used to receive and transmit radio frequency signals, the antenna trace and the radio frequency front end are set on said substrate;

Wherein, the shell is used to support and protect the main board and the antenna, and the antenna is connected to the main board.

In a possible implementation manner, the antenna includes an array unit and an anti-phase unit, and at least part of the array unit is connected to the anti-phase unit.

In a possible implementation manner, the antenna has a connecting piece, and the connecting piece is used to connect the antenna wiring and the radio frequency front end.

In a possible implementation manner, the connecting element is a microstrip line or a stripline.

In a possible implementation manner, the radio frequency front end has a filter, a radio frequency front end module and a connection part, and the antenna is connected to the main board through the connection part.

In a possible implementation manner, the radio frequency front-end has a ground floor, and the filter, radio frequency front-end components and connection parts are arranged on the ground floor.

In a possible implementation manner, the antenna use terminal has a connecting device, and the connecting device connects the connecting part and the main board.

In a possible implementation manner, the connecting device is a microstrip line, and the microstrip line connects the antenna and the main board.

In a possible implementation manner, the connecting device is a coaxial cable, and the coaxial cable connects the antenna and the main board.

In a possible implementation manner, the antenna is connected to the casing through a rotating shaft, and the antenna can rotate relative to the casing.

The application provides an antenna terminal. The antenna terminal includes a housing, a main board and an antenna. The main board includes components such as a processor. The antenna includes antenna wiring, a radio frequency front end and a substrate. The antenna wiring is used to transmit and receive signals. It is used to receive and send radio frequency signals. The antenna wiring and the radio frequency front end are arranged on the substrate. The shell is used to support and protect the main board and the antenna. The antenna is connected to the main board. By setting the radio frequency front end on the antenna, it reduces The number of components enables the miniaturization of the motherboard, and disperses the heat source, which is conducive to heat dissipation, thereby improving the stability and safety of the terminal using the antenna. The shortened distance between the RF front-end and the antenna can also reduce the loss and interference of the antenna signal.

It is to be understood that both the foregoing general description and the following detailed description are exemplary only and are not restrictive of the application.

Description of drawings

FIG. 1 is a schematic structural diagram of the antenna provided by the present application;

FIG. 2 is a schematic structural diagram of an antenna-using terminal provided by the present application.

Reference signs:

1 - shell;

2 - main board;

3 - Antenna;

31-antenna wiring;

32-RF front end;

321-filter;

322-RF front-end module;

323-connection part;

33 - substrate;

34-array unit;

35-anti-phase unit;

36-connector;

4 - connecting device;

5- Shaft.

Detailed ways

In order to better understand the technical solutions of the present application, the embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

It should be clear that the described embodiments are only some of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

Terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of this application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.

It should be understood that the term "and/or" used herein is only an association relationship describing associated objects, which means that there may be three relationships, for example, A and/or B, which may mean that A exists alone, and A and B exist simultaneously. B, there are three situations of B alone. In addition, the character "/" in this article generally indicates that the contextual objects are an "or" relationship.

It should be noted that the orientation words such as "up", "down", "left", and "right" described in the embodiments of the present application are described from the angles shown in the drawings, and should not be interpreted as limiting the implementation of the present application. Example limitations. Furthermore, in this context, it also needs to be understood that when it is mentioned that an element is connected "on" or "under" another element, it can not only be directly connected "on" or "under" another element, but can also To be indirectly connected "on" or "under" another element through an intervening element.

As shown in Fig. 1 and Fig. 2, the embodiment of the present application provides an antenna use terminal. The antenna use terminal includes a housing 1, a main board 2, and an antenna 3. The antenna 3 includes an antenna trace 31, a radio frequency front end 32, and a substrate 33. The antenna trace The wire 31 is used to transmit and receive signals, the radio frequency front end 32 is used to receive and transmit radio frequency signals, the antenna trace 31 and the radio frequency front end 32 are arranged on the substrate 33, wherein the shell 1 is used to support and protect the main board 2 and the antenna 3, and the antenna 3 Connect to motherboard 2.

At present, the main board 2 of the antenna terminal is used to set the RF front-end 32 and processing devices. Due to the large number of components, it is difficult to miniaturize the main board 2, which makes it difficult to miniaturize the antenna terminal, and the devices on the main board 2 will generate heat when they are working. , the radio frequency front end 32 and other devices are arranged in close distance, which is not conducive to the heat dissipation of the antenna terminal, resulting in high temperature when the antenna terminal is working, which ultimately affects the stability of wireless performance and the security of the antenna terminal. The solution provided by this application The radio frequency front end 32 is arranged on the antenna 3, thereby reducing the number of devices on the main board 2, which is beneficial to reducing the volume required by the main board 2, and further helping to reduce the volume of the terminal used by the antenna, and reduce the overall heat generation of the main board 2 , so that the heat source is dispersed, which is beneficial to the heat dissipation of the terminal using the antenna, and improves the stability and safety of the terminal using the antenna. The loss and interference of the signal, the consistency of the terminal using the antenna is also better.

As shown in FIG. 1 , in a possible implementation manner, the antenna 3 includes an array unit 34 and an anti-phase unit 35 , and at least part of the array unit 34 is connected to the anti-phase unit 35 .

The antenna 3 includes an array unit 34 and an anti-phase unit 35. In this application, at least part of the array unit 34 is combined with the anti-phase unit 35, so that the overall size of the antenna 3 can be reduced, and the anti-phase unit can be adjusted according to actual needs. The proportion of the phase unit 35 and the array unit 34 balances performance and size.

As shown in FIG. 1 , in a possible implementation manner, the antenna 3 has a connecting piece 36 , and the connecting piece 36 is used to connect the antenna wire 31 and the radio frequency front end 32 .

The antenna line 31 is used to receive and transmit signals, and the radio frequency front end 32 is used to complete the mutual conversion between the binary signal and the radio electromagnetic wave signal in the signal receiving process, and the antenna line 31 and the radio frequency front end 32 are connected through the connector 36, so that the antenna Use the terminal to complete normal functions.

In a possible implementation manner, the connector 36 is a microstrip line or a stripline.

Signal lines in printed circuit boards include microstrip lines and striplines. Microstrip lines are strip-shaped signal lines that are separated from the ground plane by a dielectric. Striplines are placed between two conductive planes. The copper strip line in the middle of the dielectric, in which one side of the microstrip line is a dielectric, and the other side is air, so the speed is fast and the anti-interference ability is strong, and the strip line has a power supply or a bottom layer on both sides, so the impedance is easy to control and the shielding is better. Wireless The use scenarios of the terminal are complex, and the specific actual requirements are various. Therefore, the use of microstrip lines or striplines according to actual needs can improve the adaptability of the antenna terminal.

The radio frequency front end 32 has a filter 321 , a radio frequency front end module 322 and a connection part 323 , and the antenna 3 is connected to other devices through the connection part 323 .

The radio frequency front-end 32 is a highly integrated radio frequency device, usually integrating multiple components, and the multiple components implement different functions, for example, the filter 321 is used to filter the transmitting and receiving signals, and the front-end modules (Front-endModules, FEM) It can be used to complete the transmission and reception amplification of radio frequency signals, power detection, control and switching. Through the connection part 323, the main board 2 and the radio frequency front end 32 can connect power lines, control lines and signal lines to each other.

In a possible implementation manner, the radio frequency front end 32 has a ground floor, and the filter 321, the components of the radio frequency front end 32 and the connection part 323 are arranged on the ground floor.

The ground laying is used to carry and install components on the radio frequency front end 32, and at the same time, the ground laying can reduce the loop area and ground impedance.

In a possible implementation manner, the terminal using the antenna has a connection device 4 , and the connection device 4 connects the connection part 323 and the main board 2 .

As shown in Figure 2, the connection device 4 is used to connect the radio frequency front end 32 and the main board 2, and one end of the connection device 4 is connected to the connection part 323 of the radio frequency front end 32, and the other end is connected to the main board 2, wherein the connection device 4 is used to connect the radio frequency front end 32. The involved power lines, control lines and signal lines are used to establish a stable connection between the motherboard 2 and the RF front-end 32 , and eventually the functions of the antenna 3 can be normally realized.

In a possible implementation manner, the terminal using the antenna includes a microstrip line, and the microstrip line connects the antenna 3 and the main board 2 .

The microstrip line can design multi-layer microstrip lines on substrates with different configurations. One side of the microstrip line is exposed in the air, which can form radiation to the surrounding or receive interference from the surrounding radiation, and the other side is attached to the insulating dielectric of the circuit board. , so part of the battery formed by the microstrip line is in the air, and part of it is in the insulating medium of the circuit board. The microstrip line has the advantage of fast signal transmission. Accommodating clock or logic signals faster than striplines, the antenna terminal can use microstrip lines as the connection structure, so that the antenna 3 and the main board 2 can be connected stably, reduce insertion loss, improve consistency, and improve anti-interference ability, The substrate can be polyimide (Polyimide, PI) or liquid crystal polymer (Liquid Crystal Polymer, LCP), in which PI can be used as a dielectric layer for layer isolation in the field of microelectronics, and as a buffer pool can reduce stress , improve the yield, and can also be used as a protective layer to reduce device errors. LCP can be used for flexible circuit boards, and other fillers or alloys can be used as packaging materials for integrated circuits.

In a possible implementation manner, the terminal using the antenna includes a coaxial cable, and the coaxial cable connects the antenna 3 and the main board 2 .

The coaxial line is a guiding system composed of two coaxial cylindrical conductors, a wide-band microwave transmission line filled with air or high-frequency medium between the inner and outer conductors. Generally, the outer conductor of the coaxial line is grounded, and the electromagnetic field is limited to the inner and outer conductors. Between, so the coaxial cable basically has no radiation loss, and is almost free from external signal interference. Its working frequency band is wider than the two-wire transmission line, and can be used in bands larger than centimeter waves. The antenna terminal can be connected with a coaxial cable according to the actual situation, thereby improving the anti-interference ability.

In a possible implementation manner, the antenna 3 is connected to the casing 1 through a rotating shaft 5 , and the antenna 3 can rotate relative to the casing 1 .

The antenna 3 is connected to the housing 1 through the rotating shaft 5, so that the direction and position of the antenna 3 can be adjusted by rotation. When the antenna terminal is stored and transported, adjusting the position of the antenna 3 can change the shape of the antenna terminal, which is convenient for the storage and transportation of the antenna terminal. At the same time, the risk of damage to the antenna 3 is reduced. The antenna 3 provided in the embodiment of the present application is a kind of miniaturized horizontal omnidirectional high-gain antenna 3 of the same family. When in use, the position and direction of the antenna 3 can be adjusted according to the usage scene, thereby improving the signal strength and coverage area.

The embodiment of the present application provides an antenna use terminal. The antenna use terminal includes a housing 1, a main board 2 and an antenna 3. The main board 2 includes a processor. The antenna 3 includes an antenna wiring 31, a radio frequency front end 32 and a substrate 33. The antenna wiring 31 For transmitting and receiving signals, the radio frequency front end 32 is used to receive and transmit radio frequency signals, the antenna trace 31 and the radio frequency front end 32 are arranged on the substrate 33, wherein the shell 1 is used to support and protect the main board 2 and the antenna 3, and the antenna 3 and the main board 2 Connection, by setting the radio frequency front end 32 on the antenna 3, thereby reducing the number of components on the main board 2, making the main board 2 miniaturized, and dispersing the heat source, which is conducive to heat dissipation, thereby improving the stability of the terminal using the antenna and Safety, shortening the distance between the radio frequency front end 32 and the antenna 3 can also reduce the loss and interference of the signal of the antenna 3, and the consistency of the terminals used by the antenna is also better.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included within the protection scope of the present application.

Claims (10)

1. An antenna using terminal, characterized in that, said antenna using terminal comprises: shell(1); Main board (2), including processor; An antenna (3), the antenna (3) includes an antenna trace (31), a radio frequency front end (32) and a substrate (33), the antenna trace (31) is used for transmitting and receiving signals, and the radio frequency front end ( 32) For receiving and sending radio frequency signals, the antenna wiring (31) and the radio frequency front end (32) are arranged on the substrate (33); Wherein, the shell (1) is used to support and protect the main board (2) and the antenna (3), and the antenna (3) is connected to the main board (2). 2. The antenna using terminal according to claim 1, characterized in that, the antenna (3) comprises an array unit (34) and an anti-phase unit (35), and at least part of the array unit (34) It is connected with the anti-phase unit (35). 3. The antenna terminal according to claim 1, characterized in that, the antenna (3) has a connector (36), and the connector (36) is used to connect the antenna wire (31) to the The radio frequency front end (32). 4. The antenna using terminal according to claim 3, characterized in that, the connecting member (36) is a microstrip line or a strip line. 5. The antenna using terminal according to any one of claims 1 to 4, characterized in that, the radio frequency front end (32) has a filter (321), a radio frequency front end module (322) and a connection part (323), The antenna (3) is connected to the main board (2) through the connection part (323). 6. The antenna using terminal according to claim 5, characterized in that, the radio frequency front end (32) has ground paving, and the filter (321), radio frequency front end (32) assembly and connection part (323) are arranged on The paving. 7. The antenna use terminal according to claim 6, characterized in that, the antenna use terminal has a connection device (4), and the connection device (4) connects the connection part (323) and the main board (2 ). 8. The terminal using the antenna according to claim 7, characterized in that, the connecting device (4) is a microstrip line, and the microstrip line connects the antenna (3) and the main board (2). 9. The antenna using terminal according to claim 7, characterized in that, the connection device (4) is a coaxial cable, and the coaxial cable connects the antenna (3) and the main board (2). 10. The antenna terminal according to any one of claims 1 to 9, characterized in that, the antenna (3) is connected to the housing (1) through a rotating shaft (5), and the antenna (3) can Rotate relative to the housing (1).

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