Radio frequency transmission circuit, circuit matching method and computer storage medium

1. A radio frequency transmission circuit comprises a control unit, at least one transmission loop unit, the transmission loop unit comprising at least one predetermined matching loop, and the control unit pre-storing a correspondence relationship between predetermined transmission powers and predetermined matching loops, wherein

the control unit is configured to determine, according to the pre-stored correspondence relationship between the predetermined transmission powers and the predetermined matching loops, a predetermined matching loop corresponding to the received transmission power as a first matching loop, and control the first matching loop to work,

wherein the control unit is configured to determine, according to the pre-stored correspondence relationship between the predetermined transmission powers and the predetermined matching loops, a predetermined transmission power having the smallest difference from the received transmission power as a first transmission power, the first transmission power being greater than the received transmission power, determine a predetermined matching loop corresponding to the first transmission power as the first matching loop, and control the first matching loop to work.

2. The radio frequency transmission circuit according to claim 1 , wherein the transmission loop unit comprises: a first adjustable matching network module, a filtering module connected to the first adjustable matching network module, and a matching network module connected to the filtering module; and

the first adjustable matching network module comprises at least one first predetermined matching loop, the at least one first predetermined matching loop comprises a first end and a second end, wherein the first end is connected to the control unit, and the second end is connected to the filtering module.

3. The radio frequency transmission circuit according to claim 1 , wherein the transmission loop unit comprises a second adjustable matching network module, a filtering module connected to the second adjustable matching network module, and a third adjustable matching network module connected to the filtering module;

the second adjustable matching network module comprises at least one second predetermined matching loop, the at least one second predetermined matching loop comprises a third end and a fourth end, wherein the third end is connected to the control unit, and the fourth end is connected to the filtering module; and

the third adjustable matching network module comprises at least one third predetermined matching loop, the at least one second predetermined matching loop comprises a fifth end and a sixth end, wherein the fifth end is connected to the filtering module, and the sixth end is connected to a switch unit.

4. The radio frequency transmission circuit according to claim 2 , wherein

the first adjustable matching network module is one of double L type, Π type and T type;

the second adjustable matching network module is one of double L type, Π type and T-type; and

the third adjustable matching network module is one of double L type, Π type and T type.

5. The radio frequency transmission circuit according to claim 1 wherein the radio frequency transmission circuit comprises a switch unit configured to select different operating frequency bands and detect powers.

6. A circuit matching method comprises:

determining, according to a pre-stored correspondence relationship between predetermined transmission powers and predetermined matching loops, a predetermined matching loop corresponding to a received transmission power as a first matching loop, and controlling the first matching loop to work,

wherein the determining, according to the pre-stored correspondence relationship between the predetermined transmission powers and the predetermined matching loops, a predetermined matching loop corresponding to the received transmission power as the first matching loop, and controlling the first matching loop to work comprises:

determining, according to the pre-stored correspondence relationship between the predetermined transmission powers and the predetermined matching loops, a predetermined transmission power having the smallest difference from the received transmission power as a first transmission power, the first transmission power being greater than the received transmission power, and

determining a predetermined matching loop corresponding to the first transmission power as the first matching loop, and controlling the first matching loop to work.

7. The circuit matching method according to claim 6 , wherein during an adjustment phase of the radio frequency transmission circuit, the method further comprises:

receiving a first predetermined transmission power, and adjusting capacitance and/or inductance of a first predetermined matching loop, and when current and stray current of the first predetermined matching loop become optimal, a correspondence relationship between the first predetermined transmission power and the first predetermined matching loop is saved;

receives a second predetermined transmission power, and adjusts capacitance and/or inductance of a second predetermined matching loop, and when current and stray current of the second predetermined matching loop become optimal, a correspondence relationship between the second predetermined transmission power and the second predetermined matching loop is saved; and

receives a third predetermined transmission power, and adjusts capacitance and/or inductance of a third predetermined matching loop, and when current and stray current of the third predetermined matching loop become optimal, a correspondence relationship between the third predetermined transmission power and the third predetermined matching loop is saved, and so on, until correspondence relationships between all of the predetermined transmission powers and the predetermined matching loops are saved.

8. The circuit matching method according to claim 6 , wherein before the determining, according to the pre-stored correspondence relationship between the predetermined transmission powers and the predetermined matching loops, a predetermined matching loop corresponding to the received transmission power as a first matching loop, further comprising:

receiving a transmission power of a terminal.

9. A computer storage medium in which computer executable instructions are stored, wherein the computer executable instructions are used to perform a circuit matching method comprising:

determining, according to a pre-stored correspondence relationship between predetermined transmission powers and predetermined matching loops, a predetermined matching loop corresponding to a received transmission power as a first matching loop, and controlling the first matching loop to work,

wherein the determining, according to the pre-stored correspondence relationship between the predetermined transmission powers and the predetermined matching loops, a predetermined matching loop corresponding to the received transmission power as the first matching loop, and controlling the first matching loop to work comprises:

determining, according to the pre-stored correspondence relationship between the predetermined transmission powers and the predetermined matching loops, a predetermined transmission power having the smallest difference from the received transmission power as a first transmission power, the first transmission power being greater than the received transmission power, and

determining a predetermined matching loop corresponding to the first transmission power as the first matching loop, and controlling the first matching loop to work.

10. The computer storage medium according to claim 9 , wherein during an adjustment phase of the radio frequency transmission circuit, the method further comprises:

receiving a first predetermined transmission power, and adjusting capacitance and/or inductance of a first predetermined matching loop, and when current and stray current of the first predetermined matching loop become optimal, a correspondence relationship between the first predetermined transmission power and the first predetermined matching loop is saved;

receives a second predetermined transmission power, and adjusts capacitance and/or inductance of a second predetermined matching loop, and when current and stray current of the second predetermined matching loop become optimal, a correspondence relationship between the second predetermined transmission power and the second predetermined matching loop is saved; and

receives a third predetermined transmission power, and adjusts capacitance and/or inductance of a third predetermined matching loop, and when current and stray current of the third predetermined matching loop become optimal, a correspondence relationship between the third predetermined transmission power and the third predetermined matching loop is saved, and so on, until correspondence relationships between all of the predetermined transmission powers and the predetermined matching loops are saved.

11. The computer storage medium according to claim 9 , wherein before the determining, according to the pre-stored correspondence relationship between the predetermined transmission powers and the predetermined matching loops, a predetermined matching loop corresponding to the received transmission power as a first matching loop, further comprising:

receiving a transmission power of a terminal.

12. The radio frequency transmission circuit according to claim 3 , wherein

the first adjustable matching network module is one of double L type, Π type and T type;

the second adjustable matching network module is one of double L type, Π type and T-type; and

the third adjustable matching network module is one of double L type, Π type and T type.