CN-121546926-B - Intelligent voltage regulating control circuit of high-frequency transformer

CN121546926BCN 121546926 BCN121546926 BCN 121546926BCN-121546926-B

Abstract

The invention discloses an intelligent voltage regulating control circuit of a high-frequency transformer, which relates to the technical field of transformer voltage regulation and comprises a micro control module, wherein the micro control module is used for controlling a voltage converting output module to perform inversion, filtering, voltage converting and rectifying treatment on direct-current electric energy and supplying power to connected electric equipment, when diffusion power supply is required, the micro control module is used for controlling a first voltage regulating module to perform inversion and perform electric energy superposition with the voltage converting output module, when voltage fine adjustment is required, the micro control module is used for controlling a second voltage regulating module to perform self-boosting and perform electric energy superposition with the voltage converting output module, when voltage reducing power supply is required, the micro control module is used for controlling an auxiliary control module to perform rectification and energy storage, and when the direct-current electric energy accessed by the voltage converting output module is powered off, the auxiliary control module is controlled to release the stored electric energy. The intelligent voltage regulating control circuit of the high-frequency transformer can realize power distribution, increase the width of output voltage, improve the power supply efficiency, improve the voltage gain and realize diversified voltage regulation.

Inventors

XU XINHUA

Assignees

广东百事泰医疗器械股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260115

Claims (5)

1. An intelligent voltage regulating control circuit of a high-frequency transformer is characterized by comprising: The first voltage regulating module is connected with the voltage transformation output module and is used for carrying out inversion and filtering treatment on the direct current electric energy accessed by the voltage transformation output module and outputting second electric energy, and transmitting the second electric energy to the voltage transformation output module; The second voltage regulating module is connected with the voltage transformation output module and is used for carrying out self-boosting treatment on the first electric energy output by the voltage transformation output module and outputting third electric energy, and boosting regulation control is carried out on the third electric energy along with the increase of the self-boosting working time; The voltage transformation output module is connected with the auxiliary control module and is used for inverting, filtering and transforming the accessed direct current electric energy and outputting first electric energy, stabilizing the direct current electric energy and transmitting the first electric energy, rectifying the first electric energy, superposing and rectifying the first electric energy and the second electric energy when receiving the second electric energy, superposing and rectifying the third electric energy and the first electric energy when receiving the third electric energy, dividing the first electric energy and outputting fourth electric energy when the auxiliary control module works, and transmitting the rectified electric energy or standby electric energy output by the auxiliary control module to connected electric equipment; The auxiliary control module is used for rectifying and storing the fourth electric energy, releasing the stored electric energy, boosting and providing standby electric energy; The micro control module is connected with the voltage transformation output module, the first voltage regulation module, the second voltage regulation module and the auxiliary control module and used for controlling the voltage transformation output module to perform inversion work, controlling the first voltage regulation module to perform inversion and electric energy transmission when diffusion power supply is needed, controlling the voltage transformation output module to perform electric energy superposition, controlling the second voltage regulation module to perform self-boosting when voltage fine adjustment is needed, controlling the voltage transformation output module to perform electric energy superposition, controlling the auxiliary control module to perform rectification work when voltage reduction power supply is needed, and controlling the auxiliary control module to release stored electric energy when direct current electric energy accessed by the voltage transformation output module is powered off; the micro control module comprises a first controller, a second controller and a second controller, wherein the first controller is connected with the first capacitor and the second capacitor; The first end and the second end of the power port are respectively connected with the first input end and the second input end of the first inverter, the first output end of the first inverter is connected with the first end of the primary side of the first transformer sequentially through the first capacitor and the first inductor, the second output end of the first inverter is connected with the second end of the primary side of the first transformer, and the driving end of the first inverter is connected with the IO1 end of the first controller; The voltage transformation output module further comprises a voltage stabilization processing device, a first resistor, a first switching tube, a first diode, a second diode, a first silicon controlled rectifier and a second transformer; The first input end and the second input end of the voltage stabilizing device are respectively connected with the first end and the second end of the power port, the output end of the voltage stabilizing device is connected with the collector of the first switch tube and the control end of the first controllable silicon through the first resistor, the first end of the first controllable silicon is connected with the first end of the secondary side of the second transformer and the second end of the secondary side of the first transformer, the second end of the first controllable silicon is connected with the second end of the secondary side of the second transformer, the emitter of the first switch tube is grounded, the anode of the first diode and the anode of the second diode are respectively connected with the IO3 end and the IO4 end of the first controller, and the base of the first switch tube is connected with the cathode of the first diode and the cathode of the second diode.
2. The intelligent voltage regulating control circuit of a high frequency transformer according to claim 1, wherein the voltage transforming output module further comprises a third diode, a fourth diode, a fifth diode, a sixth diode, a third capacitor and an output port; The cathode of the third diode is connected with the cathode of the fifth diode and the first end of the output port, and is connected with the second end of the output port, the anode of the fourth diode, the anode of the sixth diode and the ground end through the third capacitor, the anode of the third diode is connected with the cathode of the fourth diode and the first end of the secondary side of the first transformer, and the anode of the fifth diode is connected with the cathode of the sixth diode and the second end of the first thyristor.
3. The intelligent voltage regulating control circuit of a high frequency transformer according to claim 2, wherein the first voltage regulating module comprises a second inverter, a second capacitor, a second inductor, a third thyristor and a fourth thyristor; The first input end and the second input end of the second inverter are respectively connected with the first end and the second end of the power port, the first output end of the second inverter is sequentially connected with one end of the fourth silicon controlled rectifier through the second capacitor and the second inductor, the second output end of the second inverter is connected with one end of the third silicon controlled rectifier, the other end of the third silicon controlled rectifier and the other end of the fourth silicon controlled rectifier are respectively connected with the second end and the first end of the primary side of the second transformer, the control end of the third silicon controlled rectifier and the control end of the fourth silicon controlled rectifier are both connected with the IO4 end of the first controller, and the driving end of the second inverter is connected with the IO2 end of the first controller.
4. The intelligent voltage regulating control circuit of a high frequency transformer according to claim 3, wherein the second voltage regulating module comprises a second silicon controlled rectifier, a first power tube and a second power tube; one end of the second silicon controlled rectifier is connected with the first end of the secondary side of the second transformer, the other end of the second silicon controlled rectifier is connected with the second end of the primary side of the second transformer, the emitting electrode of the first power tube is connected with the collecting electrode of the second power tube and the first end of the primary side of the second transformer, the collecting electrode of the first power tube is connected with the cathode of the third diode, the emitting electrode of the second power tube is connected with the anode of the fourth diode, and the control end of the second silicon controlled rectifier, the grid electrode of the first power tube and the grid electrode of the second power tube are respectively connected with the IO3 end, the IO6 end and the IO5 end of the first controller.
5. The intelligent voltage regulating control circuit of high frequency transformer as set forth in claim 4, wherein the auxiliary control module comprises a fifth thyristor, a sixth thyristor, an energy storage device, a seventh diode, a third power tube and a boost device; The anode of the fifth controllable silicon and the cathode of the sixth controllable silicon are respectively connected with the first end and the second end of the primary side of the second transformer, the cathode of the fifth controllable silicon is connected with the collector of the third power tube and the first end of the energy storage device, the emitter of the third power tube is connected with the first input end of the boosting device, the anode of the sixth controllable silicon is connected with the second input end of the boosting device and the second end of the energy storage device, the first output end and the second output end of the boosting device are respectively connected with the first end and the second end of the output port, the control end of the fifth controllable silicon is connected with the control end of the sixth controllable silicon, the anode of the seventh diode and the IO7 end of the first controller, the cathode of the seventh diode is connected with the base of the first switch tube, and the grid electrode of the third power tube is connected with the IO8 end of the first controller.

Description

Intelligent voltage regulating control circuit of high-frequency transformer Technical Field The invention relates to the technical field of voltage regulation of transformers, in particular to an intelligent voltage regulation control circuit of a high-frequency transformer. Background The high-frequency transformer is used as a key device for bearing energy transmission, safety isolation and circuit operation in a power supply system, in the prior art, the high-frequency transformer is generally matched with an inverter consisting of a switch tube to realize inversion and alternating current regulation, or the high-frequency transformer is connected with a group of auxiliary transformers in series to carry out diffusion treatment, diffusion, voltage fine adjustment or voltage reduction control cannot be carried out according to the requirement, and the voltage gain is lower, so that the improvement is needed. Disclosure of Invention The embodiment of the invention provides an intelligent voltage regulating control circuit of a high-frequency transformer, which aims to solve the problems in the background technology. According to an embodiment of the present invention, there is provided an intelligent voltage regulation control circuit for a high-frequency transformer, including: The first voltage regulating module is connected with the voltage transformation output module and is used for carrying out inversion and filtering treatment on the direct current electric energy accessed by the voltage transformation output module and outputting second electric energy, and transmitting the second electric energy to the voltage transformation output module; The second voltage regulating module is connected with the voltage transformation output module and is used for carrying out self-boosting treatment on the first electric energy output by the voltage transformation output module and outputting third electric energy, and boosting regulation control is carried out on the third electric energy along with the increase of the self-boosting working time; The voltage transformation output module is connected with the auxiliary control module and is used for inverting, filtering and transforming the accessed direct current electric energy and outputting first electric energy, stabilizing the direct current electric energy and transmitting the first electric energy, rectifying the first electric energy, superposing and rectifying the first electric energy and the second electric energy when receiving the second electric energy, superposing and rectifying the third electric energy and the first electric energy when receiving the third electric energy, dividing the first electric energy and outputting fourth electric energy when the auxiliary control module works, and transmitting the rectified electric energy or standby electric energy output by the auxiliary control module to connected electric equipment; The auxiliary control module is used for rectifying and storing the fourth electric energy, releasing the stored electric energy, boosting and providing standby electric energy; The micro control module is connected with the voltage transformation output module, the first voltage regulation module, the second voltage regulation module and the auxiliary control module and used for controlling the voltage transformation output module to perform inversion work, controlling the first voltage regulation module to perform inversion and electric energy transmission when diffusion power supply is needed, controlling the voltage transformation output module to perform electric energy superposition, controlling the second voltage regulation module to perform self-boosting when voltage fine adjustment is needed, controlling the voltage transformation output module to perform electric energy superposition, controlling the auxiliary control module to perform rectification work when voltage reduction power supply is needed, and controlling the auxiliary control module to release stored electric energy when direct current electric energy accessed by the voltage transformation output module is powered off. The invention further provides a voltage transformation output module which comprises a power port, a first inverter, a first capacitor, a first inductor and a first transformer, wherein the micro control module comprises a first controller; Preferably, the first end and the second end of the power port are respectively connected with the first input end and the second input end of the first inverter, the first output end of the first inverter is connected with the first end of the primary side of the first transformer sequentially through the first capacitor and the first inductor, the second output end of the first inverter is connected with the second end of the primary side of the first transformer, and the driving end of the first inverter is connected with the IO1 end of the first controller. The voltage transformation output