阅读说明：本技术 一种通信主板和天线 (Communication mainboard and antenna ) 是由 丁高泉 王志刚 付海旋 于 2021-07-26 设计创作，主要内容包括：本申请提供一种通信主板和天线,通过N个射频开关通过M个模组端口连接至所述通信模组的各个频段的天线发射端口、天线接收端口,通过控制所述射频开关的天线端口和模组端口之间的导通状态,可以控制所述通信主板能够发送或接收不同频段的信号,从而实现控制所述通信主板的网络环境在不同的运营商网络之间进行切换,降低了天线的配件数量,简化了天线结构,降低了天线的硬件维护成本和管理成本。(The application provides a communication mainboard and antenna is connected to through a plurality of module ports of M through a plurality of radio frequency switch antenna emission port, the antenna receiving port of each frequency channel of communication module, through control conduction state between radio frequency switch's antenna port and the module port can control the signal of different frequency channels can be sent or received to the communication mainboard, thereby realizes control the network environment of communication mainboard switches between the operator network of difference, has reduced the accessory quantity of antenna, has simplified antenna structure, has reduced the hardware maintenance cost and the administrative cost of antenna.)

1. A communication motherboard, comprising:

the radio frequency switch, the main control unit and the communication module;

the radio frequency switches are arranged between an external antenna interface and the main control unit and between the external antenna interface and the communication module, the number of the radio frequency switches is N, and N is a positive integer not less than 2;

an antenna port of the radio frequency switch is connected with the external antenna interface, M module ports of the radio frequency switch are respectively connected to a radio frequency antenna outlet of the communication module, and M is a positive integer not less than 2;

the output end of the main control unit is connected with the control end of the radio frequency switch and used for issuing a switch control instruction to the radio frequency switch, and the control instruction is used for controlling the conduction state between the antenna port and the module port of the radio frequency switch.

2. The communication motherboard of claim 1, wherein the master control unit is specifically configured to:

when an operator network switching instruction is obtained, analyzing the operator network switching instruction to obtain a target operator network to be switched; and acquiring a control instruction matched with the target operator network, and controlling the conduction state between the antenna port and the module port of the radio frequency switch based on the control instruction so that the communication mainboard is switched into the target operator network.

3. The communication motherboard of claim 3 wherein the value of M is 2 and the value of N is 4.

4. The communication motherboard of claim 3, wherein the master control unit is specifically configured to:

when the target operator network is a first operator network, controlling based on a control instruction matched with the first operator network: a first module port of a first radio frequency switch in the 4 radio frequency switches is connected with an antenna port of the first radio frequency switch, and a first module port of a third radio frequency switch in the 4 radio frequency switches is connected with an antenna port of the third radio frequency switch, so that the communication mainboard is connected to a first operator network provided by a first network operator;

when the target operator network is a second operator network, controlling based on a control instruction matched with the second operator network: a second module port of a first radio frequency switch in the 4 radio frequency switches is connected with an antenna port of the first radio frequency switch, and a second module port of a third radio frequency switch in the 4 radio frequency switches is connected with an antenna port of the third radio frequency switch, so that the communication mainboard is connected to a second operator network provided by a first network operator;

when the target operator network is a third operator network, controlling based on a control instruction matched with the third operator network: a first module port of a second radio frequency switch in the 4 radio frequency switches is communicated with an antenna port of the second radio frequency switch, and a first module port of a fourth radio frequency switch in the 4 radio frequency switches is communicated with an antenna port of the fourth radio frequency switch, so that the communication mainboard is accessed to a third operator network provided by a third network operator;

when the target operator network is a fourth operator network, controlling based on a control instruction matched with the third operator network: when the second module port of the second radio frequency switch of the 4 radio frequency switches is connected with the antenna port of the second radio frequency switch, and the second module port of the fourth radio frequency switch of the 4 radio frequency switches is connected with the antenna port of the fourth radio frequency switch, the communication mainboard is connected to a fourth operator network provided by a third network operator.

5. The communication motherboard of claim 1, wherein the rf switch is an rf switch capable of covering 700M to 6GHz and meeting the frequency band requirement of Sub 6G.

6. The communication motherboard of claim 1 wherein the radio frequency switch is installed in the communication motherboard in a pluggable manner.

7. The communication motherboard of claim 1 wherein the radio frequency switch is model HMC536LP 2.

8. An antenna, characterized in that the communication board of any one of claims 1-7 is applied.

9. The antenna of claim 8, wherein a target operating network switching button is disposed on a housing of the antenna, and configured to send an operating network switching instruction to the main control unit.

10. The antenna according to claim 8, wherein the antenna is provided with a wireless signal receiving unit, configured to receive an operating network switching instruction sent by a user through a wireless network, and send the obtained operating network switching instruction to the main control unit.

Technical Field

The invention relates to the technical field of communication equipment, in particular to a communication mainboard and an antenna.

Background

At present, 5G power communication terminals are all terminal equipment developed through communication module integration, and because the communication modules need to support different frequency bands and different standards, the number of antenna interfaces developed through the communication module integration is large. Most of the existing 5G terminal products adopt a plurality of antennas led out to realize that the same equipment works under different operator network environments, and the mainboard structure of the equipment is shown in fig. 1; the other mode is to adopt different terminal forms (change of internal connection antenna mode) to adapt to work under different operator network environments; the main board structure is shown in fig. 2a and 2 b; which way is used depends on the need for product cost control and product aesthetics.

The existing 5G terminal can work under the network environment of each operator (mobile, Unicom, telecom and radio and television operators); one way is that the antennas of all frequency bands supported by the communication module are led to the shell, the number of the antennas is large, the cost of accessories is doubled, and the size and miniaturization difficulty of the shell are increased; the other mode is that the terminals with different forms are adapted to different operator networks by adding various terminal forms by using fewer antennas; therefore, the multi-form terminal product greatly increases the hardware maintenance and management cost; and simultaneously, the production efficiency is greatly reduced.

Disclosure of Invention

In view of this, the embodiment of the present invention provides a simplified scheme for the number of communication motherboards and antennas, so as to reduce the manufacturing cost and the maintenance cost of the terminal.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

a communication motherboard, comprising:

the radio frequency switch, the main control unit and the communication module;

the radio frequency switches are arranged between an external antenna interface and the main control unit and between the external antenna interface and the communication module, the number of the radio frequency switches is N, and N is a positive integer not less than 2;

an antenna port of the radio frequency switch is connected with the external antenna interface, M module ports of the radio frequency switch are respectively connected to a radio frequency antenna outlet of the communication module, and M is a positive integer not less than 2;

the output end of the main control unit is connected with the control end of the radio frequency switch and used for issuing a switch control instruction to the radio frequency switch, and the control instruction is used for controlling the conduction state between the antenna port and the module port of the radio frequency switch.

Optionally, in the communication motherboard, the main control unit is specifically configured to:

when an operator network switching instruction is obtained, analyzing the operator network switching instruction to obtain a target operator network to be switched; and acquiring a control instruction matched with the target operator network, and controlling the conduction state between the antenna port and the module port of the radio frequency switch based on the control instruction so that the communication mainboard is switched into the target operator network.

Optionally, in the communication motherboard, the value of M is 2, and the value of N is 4.

Optionally, in the communication motherboard, the main control unit is specifically configured to:

when the target operator network is a first operator network, controlling based on a control instruction matched with the first operator network: a first module port of a first radio frequency switch in the 4 radio frequency switches is connected with an antenna port of the first radio frequency switch, and a first module port of a third radio frequency switch in the 4 radio frequency switches is connected with an antenna port of the third radio frequency switch, so that the communication mainboard is connected to a first operator network provided by a first network operator;

when the target operator network is a second operator network, controlling based on a control instruction matched with the second operator network: a second module port of a first radio frequency switch in the 4 radio frequency switches is connected with an antenna port of the first radio frequency switch, and a second module port of a third radio frequency switch in the 4 radio frequency switches is connected with an antenna port of the third radio frequency switch, so that the communication mainboard is connected to a second operator network provided by a first network operator;

when the target operator network is a third operator network, controlling based on a control instruction matched with the third operator network: a first module port of a second radio frequency switch in the 4 radio frequency switches is communicated with an antenna port of the second radio frequency switch, and a first module port of a fourth radio frequency switch in the 4 radio frequency switches is communicated with an antenna port of the fourth radio frequency switch, so that the communication mainboard is accessed to a third operator network provided by a third network operator;

when the target operator network is a fourth operator network, controlling based on a control instruction matched with the third operator network: when the second module port of the second radio frequency switch of the 4 radio frequency switches is connected with the antenna port of the second radio frequency switch, and the second module port of the fourth radio frequency switch of the 4 radio frequency switches is connected with the antenna port of the fourth radio frequency switch, the communication mainboard is connected to a fourth operator network provided by a third network operator.

Optionally, in the communication motherboard, the radio frequency switch is a radio frequency switch whose operating frequency band can cover 700M to 6GHz and which meets the frequency band requirement of Sub 6G.

Optionally, in the communication motherboard, the radio frequency switch is installed in the communication motherboard in a plug-in manner.

Optionally, in the communication motherboard, the model of the radio frequency switch is HMC536LP 2.

An antenna, which is applied with the communication mainboard.

Optionally, a target operating network switching button is disposed on the housing of the antenna, and configured to send an operating network switching instruction to the main control unit.

Optionally, the antenna is provided with a wireless signal receiving unit, configured to receive an operating network switching instruction sent by a user through a wireless network, and send the obtained operating network switching instruction to the main control unit.

Based on the technical solution, in the solution provided in the embodiment of the present invention, the N radio frequency switches are connected to the antenna transmitting port and the antenna receiving port of each frequency band of the communication module through the M module ports, and the communication motherboard can be controlled to transmit or receive signals of different frequency bands by controlling the conduction state between the antenna port and the module port of the radio frequency switch, so that the network environment of the communication motherboard is controlled to be switched between different operator networks, the number of accessories of the antenna is reduced, the antenna structure is simplified, and the hardware maintenance cost and the management cost of the antenna are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic diagram of a main board structure of an antenna provided in the prior art;

fig. 2a and 2b are schematic diagrams of a main board structure of another antenna provided in the prior art;

fig. 3 is a schematic structural diagram of a main board of an antenna disclosed in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a main board of an antenna according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a motherboard structure disclosed in the embodiment of the present application in a first mode;

fig. 6 is a schematic structural diagram of a main board structure disclosed in the embodiment of the present application in a second mode;

fig. 7 is a schematic structural diagram of a main board structure disclosed in the embodiment of the present application in a third mode;

fig. 8 is a schematic structural diagram of a motherboard structure disclosed in the embodiment of the present application in a fourth mode.

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.

Aiming at the problems of large size, various terminal forms and high manufacturing cost of the antenna disclosed in the prior art, the application discloses a communication mainboard and an antenna, which can be suitable for the same 5G terminal under the scenes of different operator networks (mobile, Unicom, telecom, radio and television) and switch to use the same number of antennas according to the control of the different operator networks, so that the same 5G terminal can work in different operator network environments in a matching way under the condition of less number of antennas, and the antenna performance is improved; and hardware cost of the antenna can be effectively saved, hardware management is convenient, and later maintenance is convenient.

Specifically, referring to fig. 3, a communication motherboard disclosed in an embodiment of the present application may include:

a radio frequency switch 100, a main control unit 200 and a communication module 300;

wherein the communication module 300 can be a 2G module, a 3G module, a 4G module, a 5G module, a 6G module, or even a 7G module, an 8G module, etc.;

the radio frequency switch 100 is disposed between an external antenna interface of the communication motherboard and the main control unit 200 and the communication module 300, in this scheme, the radio frequency antenna has an antenna port and a plurality of module ports, the antenna port is used for connecting with external antenna interfaces (ANT1, ANT2 … … ANT n) of the antenna, the module ports are used for connecting with radio frequency antenna outlets of the communication module 300, and radio frequency antenna outlets connected to different module ports are different; in this embodiment, the number of module ports of the rf switch 100 may be M, where M is an integer not less than 2, and may be, for example, 2, 3, 4, etc. In this scheme, the number of the radio frequency switches 100 in the communication motherboard is N, where N is a positive integer not less than 2.

The output end of the main control unit 200 is connected to the control end of the radio frequency switch 100, and is configured to issue a switch control instruction to the radio frequency switch 100, where the control instruction is used to control a conduction state between an antenna port and a module port of the radio frequency switch 100.

In the technical scheme disclosed in the embodiment of the present application, N radio frequency switch 100 is connected to through M module ports antenna transmission port, antenna receiving port of each frequency channel of communication module 300, through control conducting state between radio frequency switch 100's antenna port and the module port can control the communication mainboard can send or receive the signal of different frequency channels, thereby realizes control the network environment of communication mainboard switches between the operator network of difference (remove, UNICOM, telecommunications, radio and television etc.), has reduced the accessory quantity of antenna, has simplified antenna structure, has reduced the hardware maintenance cost and the administrative cost of antenna.

In the technical solution disclosed in the embodiment of the present application, the main control unit 200 is configured to control the communication module 300, and is further configured to control the conduction state between the antenna port and the module port of the radio frequency switch 100, and realize that the communication motherboard accesses different operator networks by controlling the conduction state between the antenna port and the module port of each radio frequency switch 100.

Specifically, in the technical solution disclosed in the application embodiment, when the communication motherboard is powered on, the main control unit 200 may control the conduction state between the antenna port and the module port of the radio frequency switch 100 based on a default control instruction, so that the communication motherboard is accessed to a default operator network.

When the main control unit 200 obtains an operator network switching instruction, it indicates that the user has a requirement for switching an operator network, at this time, the main control unit 200 may analyze the operator network switching instruction (including a target operator network identifier), obtain a target operator network to be switched based on an analysis result, obtain a control instruction matched with the target operator network based on a built-in preset mapping relationship, and control a conduction state between an antenna port and a module port of each radio frequency switch 100 based on the control instruction, so that the communication motherboard is switched into the target operator network.

In the technical solution disclosed in an embodiment of the present application, the communication module 300 is a communication module 300 supporting 4 operator networks, referring to fig. 4, the value of M may be 2, and the value of N may be 4, at this time, under the control of the main control unit 200, the communication motherboard may be controlled by 4 radio frequency switches 100 to be switched arbitrarily among the 4 operator networks.

The main control unit 200 is specifically configured to:

when the target operator network is the first operator network, referring to fig. 5, based on the control instruction matched with the first operator network, controlling: a first module port of a first radio frequency switch 100 of the 4 radio frequency switches 100 is connected to an antenna port of the first radio frequency switch 100, and a first module port of a third radio frequency switch 100 of the 4 radio frequency switches 100 is connected to an antenna port of the third radio frequency switch 100, so that the communication motherboard is connected to a first operator network provided by a first network operator;

when the target operator network is a second operator network, referring to fig. 6, based on a control instruction matching the second operator network, controlling: a second module port of a first radio frequency switch 100 of the 4 radio frequency switches 100 is connected to an antenna port of the first radio frequency switch 100, and a second module port of a third radio frequency switch 100 of the 4 radio frequency switches 100 is connected to an antenna port of the third radio frequency switch 100, so that the communication motherboard is connected to a second operator network provided by a first network operator;

when the target operator network is a third operator network, referring to fig. 7, based on a control instruction matching the third operator network, controlling: a first module port of a second radio frequency switch 100 of the 4 radio frequency switches 100 is connected to an antenna port of the second radio frequency switch 100, and a first module port of a fourth radio frequency switch 100 of the 4 radio frequency switches 100 is connected to an antenna port of the fourth radio frequency switch 100, so that the communication motherboard is connected to a third operator network provided by a third network operator;

when the target operator network is a fourth operator network, referring to fig. 8, based on a control instruction matching the third operator network, controlling: when the second module port of the second rf switch 100 of the 4 rf switches 100 is connected to the antenna port of the second rf switch 100, and the second module port of the fourth rf switch 100 of the 4 rf switches 100 is connected to the antenna port of the fourth rf switch 100, the communication motherboard is connected to a fourth carrier network provided by a third carrier.

The rf switch 100 may be a typical gating device, and is used to selectively connect a desired frequency channel of the communication module 300 to the external antenna interface; in the technical solution disclosed in this embodiment, the rf switch 100 may be a four-to-one switch chip, such as a typical device HMC536LP 2; the antenna port of the rf switch 100 is connected to an external antenna port, and the module ports are respectively connected to the rf antenna outlets of the communication module 300; as mentioned above, the signal for switching the rf chip switch is provided by the main control unit 200; the typical control method is as follows: the 4 rf switches 100 control the communication module 300 to respectively operate in different operator networks through different high and low level combinations, and the switching between the antenna port and the module port in the rf switch 100 is realized through the high and low levels.

In the technical solution disclosed in this embodiment, the adopted rf switch 100 needs to satisfy the following conditions: to ensure that the insertion loss of the radio frequency switch 100 on the 5G Sub6G frequency band is less than the preset upper limit value and the overall radio frequency performance index of the 5G terminal is not affected, the working frequency band of the radio frequency switch 100 is selected to cover 700M-6 GHz, and the effective frequency band range of the switch chip is selected to cover the Sub6G frequency band.

In another embodiment of the present disclosure, in order to facilitate replacement when the rf switch 100 fails, in this embodiment, the rf switch 100 may be installed in the communication motherboard in a plug-in manner.

Corresponding to the communication mainboard that the above-mentioned embodiment disclosed, this application still discloses an antenna, and this elevator case can be used and have the communication mainboard of above-mentioned arbitrary item.

In the technical solution disclosed in another embodiment of the present application, a user may control the antenna to switch between operator networks on site, at this time, a target operating network switching button is disposed on a housing of the antenna, and is configured to send an operating network switching instruction to the main control unit 200, and the user may send the operating network switching instruction to the main control unit 200 by operating the target operating network switching button.

In the technical solution disclosed in another embodiment of the present application, a user may remotely control the antenna to switch between various operator networks, and at this time, the antenna is provided with a wireless signal receiving unit, which is configured to receive an operating network switching instruction sent by the user through a wireless network, and send the obtained operating network switching instruction to the main control unit 200.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.