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CN-224218278-U - Intelligent soft switch control system

CN224218278UCN 224218278 UCN224218278 UCN 224218278UCN-224218278-U

Abstract

The utility model relates to the technical field of power electronics and discloses an intelligent soft switch control system which comprises a power input module, wherein the output end of the power input module is electrically connected with a conversion module, the output end of the conversion module is electrically connected with a soft switch control module, the output end of the soft switch control module is electrically connected with a load, the input end of the soft switch control module is electrically connected with the output end of a microprocessor control module, the output end of the microprocessor control module is electrically connected with a communication module, the output end of a protection module is electrically connected with the input ends of the soft switch control module and the microprocessor control module, and a double-resonant circuit assembly is arranged in the soft switch control module. According to the utility model, through an electrical connection structure, soft switch control of a load is realized, and the power supply control system has the functions of power supply purification, energy conversion, state monitoring, remote communication and fault protection, and meets the requirements of high-precision control and energy conservation of integral operation.

Inventors

  • XIE JUNFENG

Assignees

  • 北京伟仕天成科技有限公司

Dates

Publication Date
20260508
Application Date
20250604

Claims (8)

  1. 1. The intelligent soft switch control system comprises a power input module, a microprocessor control module, a protection module and a signal detection module and is characterized in that the output end of the power input module is electrically connected with a conversion module, the output end of the conversion module is electrically connected with a soft switch control module, the output end of the soft switch control module is electrically connected with a load, the input end of the soft switch control module is electrically connected with the output end of the microprocessor control module, the output end of the microprocessor control module is electrically connected with a communication module, the output end of the communication module is electrically connected with external equipment, the output end of the protection module is electrically connected with the input ends of the soft switch control module and the microprocessor control module, the output end of the signal detection module is electrically connected with the input end of the microprocessor control module, and a double-resonance circuit component is arranged inside the soft switch control module.
  2. 2. The intelligent soft-switching control system of claim 1, wherein the dual-resonant circuit assembly comprises a series resonant branch and a parallel resonant branch, the series resonant branch is composed of a resonant inductance L1 and a resonant capacitance C1 in series, and the parallel resonant branch is composed of a resonant capacitance C2.
  3. 3. The intelligent soft switching control system of claim 1, wherein the power input module comprises an EMI filter, a surge protector and an input interface, the conversion module comprises a rectifier bridge, a PFC circuit and a filter capacitor, the soft switching control module comprises a double resonant circuit assembly, a switching device and a filter, the protection module comprises an overvoltage protection element, an overcurrent protection element and a short-circuit protection element, and the signal detection module comprises a current sampling element, a voltage sampling element and a temperature sensing element.
  4. 4. The intelligent soft switch control system of claim 1, wherein the communication module is an RS485 transceiver, and the external device is a touch screen terminal.
  5. 5. The intelligent soft switch control system of claim 2, wherein the resonant capacitor C2 is electrically connected to the microprocessor control module via a switching device.
  6. 6. The intelligent soft switch control system according to claim 3, wherein the EMI filter is connected in series with the input interface, the surge protector is connected in parallel with two ends of the input interface, the rectifier bridge is electrically connected with the power input module, the filter capacitor is connected in parallel with the output end of the rectifier bridge, the voltage sampling element is electrically connected with the output end of the soft switch control module, the current sampling element is connected in series with the soft switch control module, the temperature sensing element is fixedly connected with the outer wall of the soft switch control module, the input end of the overvoltage protector is electrically connected with the voltage sampling element, the output end of the overvoltage protector is electrically connected with the microprocessor control module, the input end of the overcurrent protector is electrically connected with the current sampling element, and the output end of the overcurrent protector is electrically connected with the soft switch control module.
  7. 7. The intelligent soft switching control system of claim 2, wherein the two ends of the parallel resonant branch are electrically connected to the two ends of the series resonant branch, respectively.
  8. 8. The intelligent soft switch control system of claim 1, wherein the microprocessor control module is electrically connected with the communication module in a bidirectional manner, and the communication module is electrically connected with the external equipment in a bidirectional manner.

Description

Intelligent soft switch control system Technical Field The utility model relates to the technical field of power electronics, in particular to an intelligent soft switch control system. Background The intelligent switch control technology is rapidly developed in recent years and is widely applied to the fields of industrial automation, intelligent home furnishing and the like. The traditional switch control mode adopts two states of simple on-off, the control quantity is fixed, and although the control quantity is simple to realize, the control precision and the reliability under the complex working condition are insufficient, and the requirements of the fields of industrial automation, new energy and the like on high-precision control and energy conservation are difficult to meet. Disclosure of utility model In order to make up for the defects, the utility model provides an intelligent soft switch control system, which aims to solve the problems that high-precision control and energy conservation are difficult to meet. In order to achieve the above purpose, the intelligent soft switch control system comprises a power input module, a microprocessor control module, a protection module and a signal detection module, wherein the output end of the power input module is electrically connected with a conversion module, the output end of the conversion module is electrically connected with a soft switch control module, the output end of the soft switch control module is electrically connected with a load, the input end of the soft switch control module is electrically connected with the output end of the microprocessor control module, the output end of the microprocessor control module is electrically connected with a communication module, the output end of the communication module is electrically connected with external equipment, the output end of the protection module is electrically connected with the input ends of the soft switch control module and the microprocessor control module, the output end of the signal detection module is electrically connected with the input end of the microprocessor control module, and a double-resonance circuit assembly is arranged inside the soft switch control module. The technical scheme is that the power input module outputs direct current to the soft switch control module through the conversion module, the microprocessor control module drives the soft switch through the PWM signal and receives feedback from the signal detection module, the resonance mode is dynamically adjusted, the protection module responds rapidly when abnormal, and the communication module is in bidirectional communication with external equipment. As a further description of the above technical solution: preferably, the dual-resonance circuit assembly comprises a series resonance branch and a parallel resonance branch, wherein the series resonance branch is formed by connecting a resonance inductor L1 and a resonance capacitor C1 in series, and the parallel resonance branch is formed by connecting a resonance capacitor C2 in series. According to the technical scheme, two ends of the resonant capacitor C2 are respectively connected with the common end of the inductor L1 and the capacitor C1 and the ground, and are connected with the microprocessor control module, the capacitor C2 is conducted to form double resonance when in light load to improve efficiency, and only single resonance is left when in heavy load to be turned off to maintain stability. As a further description of the above technical solution: Preferably, the power input module comprises an EMI filter, a surge protector and an input interface, the conversion module comprises a rectifier bridge, a PFC circuit and a filter capacitor, the soft switching control module comprises a double-resonant circuit assembly, a switching device and a filter, the protection module comprises an overvoltage protection element, an overcurrent protection element and a short-circuit protection element, and the signal detection module comprises a current sampling element, a voltage sampling element and a temperature sensing element. The technical scheme includes that the power input module comprises an input interface, an EMI filter and a surge protector, the conversion module comprises a rectifier bridge, a PFC circuit and a filter capacitor, the soft switch control module is integrated into a double-resonant circuit assembly, a full-bridge switching device and an LC filter, the protection module comprises an overvoltage protection element, an overcurrent protection element and a short-circuit protection element, the signal detection module acquires signals in real time through the current sampling element, the voltage sampling element and the temperature sensing element and feeds the signals back to the microprocessor, and the modules cooperatively realize stable control with strong anti-interference capability. As a further description of the above technical solu