CN-121984461-A - Power synthesis method, power synthesis device and radio frequency power supply equipment

CN121984461ACN 121984461 ACN121984461 ACN 121984461ACN-121984461-A

Abstract

The application provides a power synthesis method, a power synthesis device and radio frequency power supply equipment, which are applied to a power synthesis device, wherein the power synthesis device comprises a power amplifier gating module and an impedance module, the power amplifier gating module is used for selectively switching on or switching off the connection path between each radio frequency power amplifier device and the impedance module. The power synthesis method comprises the steps of controlling and conducting connection paths between at least two radio frequency power amplification devices and an impedance module, so that at least two paths of radio frequency electric energy which are respectively output by the at least two radio frequency power amplification devices of the power amplification gating module are mixed in the power amplification gating module to obtain synthesized radio frequency electric energy. And determining a target impedance value of the impedance module according to the related parameters of the radio frequency electric energy passing through the power amplifier gating module. And controlling and adjusting the impedance value of the impedance module to be a target impedance value, so that the synthesized radio frequency electric energy is output through the impedance module with the target impedance value. The application can realize the rapid power synthesis of the radio frequency electric energy.

Inventors

WANG SHUXIAO
Lin Jiongkang
CHEN YATI

Assignees

深圳市瀚强科技股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260123

Claims (10)

1. The power synthesis method is applied to a power synthesis device and is characterized in that the power synthesis device is used for synthesizing radio frequency electric energy output by a plurality of radio frequency power amplification devices to obtain synthesized radio frequency electric energy, the power synthesis device comprises a power amplification gating module and an impedance module which are connected, the power amplification gating module is used for being connected with the plurality of radio frequency power amplification devices, the power amplification gating module is used for selectively switching on or switching off a connecting path between each radio frequency power amplification device and the impedance module, and when the connecting path between at least two radio frequency power amplification devices and the impedance gating module is switched on, the radio frequency electric energy output by the at least two radio frequency power amplification devices is synthesized, and the impedance value of the impedance module is adjustable; the power synthesis method comprises the following steps: Controlling and conducting connection paths between at least two radio frequency power amplification devices and an impedance module, so that at least two paths of radio frequency electric energy which are respectively output by at least two radio frequency power amplification devices passing through a power amplification gating module are mixed in the power amplification gating module to obtain synthesized radio frequency electric energy, and then the synthesized radio frequency electric energy is transmitted to the impedance module; determining a target impedance value of the impedance module according to related parameters of radio frequency electric energy passing through the power amplifier gating module, wherein the related parameters comprise quantity or power values; and controlling and adjusting the impedance value of the impedance module to be a target impedance value, so that the synthesized radio frequency electric energy is output through the impedance module with the target impedance value.
2. The power combining method of claim 1, wherein the impedance module has a plurality of impedance branches, each impedance branch being selectively turned on or off from the power amplifier gating module, each impedance branch having an impedance value; wherein, the controlling the impedance value of the impedance adjusting module to be a target impedance value includes: Determining at least one impedance matching branch of the plurality of impedance branches as a target gating branch; And controlling each target impedance branch to be conducted with the power amplifier gating module, wherein the impedance value presented by the whole target gating branch is equal to the target impedance value of the impedance gating module.
3. The power combining method of claim 2, wherein the target gating branches are different according to the amount or the power value of the radio frequency power passing through the power amplifier gating module.
4. The power synthesis method according to claim 2, wherein the power values of the radio frequency power energy output by each radio frequency power amplification device are equal, and the impedance values of each impedance branch are equal; Wherein said determining at least one impedance matching branch of the plurality of impedance gating branches as at least one target gating branch comprises: When the related parameters are the quantity, determining the corresponding quantity of impedance branches in the plurality of impedance branches as target gating branches according to the quantity of radio frequency electric energy passing through the power amplification gating module, wherein the impedance value of the whole target gating branch is the target impedance value of the impedance module.
5. The power synthesis method according to claim 2, wherein the power values of the radio frequency power energy output by each radio frequency power amplifier device are equal, and the impedance values of different impedance branches are different; Wherein said determining at least one impedance matching branch of the plurality of impedance gating branches as at least one target gating branch comprises: when the related parameters are the quantity, determining that one corresponding impedance branch in the plurality of impedance branches is a target gating branch according to the quantity of radio frequency electric energy passing through the power amplification gating module, wherein the impedance value of the whole target gating branch is the target impedance value of the impedance module.
6. The power synthesis method according to claim 1, wherein the preset impedance value of each radio frequency power amplifier device is equal, and the power values of the radio frequency electric energy output by each radio frequency power amplifier device are different from each other; The determining the target impedance value of the impedance module according to the quantity or the power value of the radio frequency electric energy passing through the power amplifier gating module comprises the following steps: And determining a target impedance value of the impedance module according to the power value of the radio frequency electric energy which passes through the power amplifier gating module.
7. The power synthesis method according to claim 2, wherein the power amplifier gating module includes a plurality of power amplifier gating branches and a power synthesis end, the plurality of power amplifier gating branches are connected with the plurality of radio frequency power amplifier devices in one-to-one correspondence, and the power synthesis end is selectively connected with or disconnected from each impedance branch; the control switches on a connection path between at least two radio frequency power amplification devices and an impedance module, so that at least two paths of radio frequency electric energy which are respectively output by at least two radio frequency power amplification devices of a power amplification gating module are mixed in the power amplification gating module to obtain synthesized radio frequency electric energy, and then the synthesized radio frequency electric energy is transmitted to the impedance module, and the control device comprises: And controlling and conducting at least two power amplifier gating branches to conduct connecting paths between the corresponding at least two radio frequency power amplifier devices and the impedance module, so that at least two paths of radio frequency electric energy respectively output by the corresponding at least two radio frequency power amplifier devices through the power amplifier gating module are mixed at a power synthesis end to obtain synthesized radio frequency electric energy, and then the synthesized radio frequency electric energy is transmitted to the impedance module.
8. The power synthesis device is characterized by being used for synthesizing radio frequency electric energy output by a plurality of radio frequency power amplification devices to obtain synthesized radio frequency electric energy, and comprises a power amplification gating module and an impedance module which are connected; The power amplifier gating module is connected with the plurality of radio frequency power amplifier devices, and is used for selectively switching on or switching off a connecting path between each radio frequency power amplifier device and the impedance module, and synthesizing radio frequency electric energy output by at least two radio frequency power amplifier devices when the connecting paths between the at least two radio frequency power amplifier devices and the impedance module are switched on; The impedance value of the impedance module is adjustable; The power synthesis device further comprises a control module, the control module is used for controlling and conducting connection paths between at least two radio frequency power amplification devices and the impedance module, so that at least two paths of radio frequency electric energy which are output by the at least two radio frequency power amplification devices of the power amplification gating module respectively are mixed in the power amplification gating module to obtain synthesized radio frequency electric energy, the synthesized radio frequency electric energy is transmitted to the impedance module, and a target impedance value of the impedance module is determined according to relevant parameters of the radio frequency electric energy which passes through the power amplification gating module, wherein the relevant parameters comprise the number or the power value, and the impedance value of the impedance module is controlled and adjusted to be the target impedance value, so that the synthesized radio frequency electric energy is output through the impedance module with the target impedance value.
9. The power combining device of claim 8, wherein the impedance module has a plurality of impedance branches, each impedance branch being selectively turned on or off from the power amplifier gating module, each impedance branch having an impedance value, and the impedance value of at least one impedance branch being unequal to the impedance values of the other impedance branches such that the impedance value of the impedance module is adjustable; The control module is used for determining at least one impedance branch in the plurality of impedance branches as a target gating branch according to the quantity or the power value of radio frequency electric energy passing through the power amplification gating module, and the impedance value integrally presented by the target gating branch is the target impedance value of the impedance module.
10. A radio frequency power supply device, comprising: the plurality of radio frequency power amplification devices are used for outputting radio frequency electric energy; The power combining device as claimed in any one of claims 8-9, configured to combine the rf power outputted from the plurality of rf power amplifying devices.

Description

Power synthesis method, power synthesis device and radio frequency power supply equipment Technical Field The present application relates to the field of radio frequency technologies, and in particular, to a power synthesis method, a power synthesis device, and a radio frequency power supply device. Background Currently, with the application and popularization of radio frequency technology, radio frequency power supply devices are increasingly applied to various fields. In the application process of the radio frequency power supply equipment, the radio frequency power supply equipment adopting a plurality of radio frequency power amplification devices has larger requirements, however, the radio frequency power output by the radio frequency power amplification devices has a plurality of problems in the power synthesis process, so how to realize the rapid power synthesis of the radio frequency power becomes a problem to be considered. Disclosure of Invention The application provides a power synthesis method, a power synthesis device and radio frequency power supply equipment, which can realize rapid power synthesis of radio frequency electric energy. In a first aspect, a power synthesis method is provided, where the power synthesis method is applied to a power synthesis device, where the power synthesis device is configured to synthesize radio frequency electric energy output by a plurality of radio frequency power amplification devices to obtain synthesized radio frequency electric energy, where the power synthesis device includes a power amplification gating module and an impedance module connected to each other, where the power amplification gating module is further configured to connect to the plurality of radio frequency power amplification devices, and the power amplification gating module is configured to selectively connect or disconnect a connection path between each radio frequency power amplification device and the impedance module, and synthesize radio frequency electric energy output by at least two radio frequency power amplification devices when connecting a connection path between at least two radio frequency power amplification devices and the impedance module, and an impedance value of the impedance module is adjustable. The power synthesis method comprises the steps of controlling and conducting connection paths between at least two radio frequency power amplification devices and an impedance module, so that at least two paths of radio frequency electric energy which are respectively output by the at least two radio frequency power amplification devices of the power amplification gating module are mixed in the power amplification gating module to obtain synthesized radio frequency electric energy, and then the synthesized radio frequency electric energy is transmitted to the impedance module. And determining a target impedance value of the impedance module according to related parameters of the radio frequency electric energy passing through the power amplifier gating module, wherein the related parameters comprise quantity or power values. And controlling and adjusting the impedance value of the impedance module to be a target impedance value, so that the synthesized radio frequency electric energy is output through the impedance module with the target impedance value. In one possible implementation, the impedance module has a plurality of impedance branches, each of which is selectively turned on or off from the power amplifier gating module, and each of which has an impedance value. The control and regulation of the impedance value of the impedance module to be a target impedance value comprises the steps of determining at least one impedance matching branch in a plurality of impedance branches to be a target gating branch. And controlling each target impedance branch to be conducted with the power amplifier gating module, wherein the impedance value presented by the whole target gating branch is equal to the target impedance value of the impedance gating module. In one possible implementation, the target gating branches are different according to the amount of radio frequency power or the power value passing through the power amplifier gating module. In one possible implementation manner, the power values of the radio frequency power output by each radio frequency power amplifying device are equal, and the impedance values of each impedance branch are equal. When the related parameters are the quantity, the corresponding quantity of the impedance branches in the plurality of impedance branches is determined to be the target gating branches according to the quantity of radio frequency electric energy passing through the power amplification gating module, wherein the impedance value presented by the whole target gating branch is the target impedance value of the impedance module. In one possible implementation manner, the power values of the radio frequency power output by each radio freq