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CN-224233393-U - Soft switch structure and power supply

CN224233393UCN 224233393 UCN224233393 UCN 224233393UCN-224233393-U

Abstract

The utility model relates to the technical field of power supply control of electronic equipment, and discloses a soft switch structure and a power supply, wherein the soft switch structure comprises the power supply, the output end of the power supply is electrically connected with a power switch, the output end of the power switch is electrically connected with a first controllable switch, the output end of the first controllable switch is electrically connected with a load, the output end of the power supply is electrically connected with a main control module, the output end of the main control module is electrically connected with a driving module, the output end of the first controllable switch is electrically connected with a monitoring module, the output end of the monitoring module is electrically connected with a switching module, and the output end of the power supply is provided with a redundant assembly. In the utility model, the main control module is used for switching on the switch to supply power through the driving module when the main control module is normal, and the switch is turned off by stopping the signal when the main control module detects the abnormality, so that the quick automatic cutting-off of the power supply loop when the power supply loop is abnormal is realized, and the problems of slow response and no automatic protection are solved.

Inventors

  • XIE JUNFENG

Assignees

  • 北京伟仕天成科技有限公司

Dates

Publication Date
20260512
Application Date
20250604

Claims (8)

  1. 1. The soft switch structure comprises a power supply (1) and is characterized in that the output end of the power supply (1) is electrically connected with a power switch (2), the output end of the power switch (2) is electrically connected with a first controllable switch (3), the output end of the first controllable switch (3) is electrically connected with a load (6), the output end of the power supply (1) is electrically connected with a main control module (4), the output end of the main control module (4) is electrically connected with a driving module (5), the output end of the first controllable switch (3) is electrically connected with a monitoring module (7), the output end of the monitoring module (7) is electrically connected with a switching module (8), and the output end of the power supply (1) is provided with a redundancy assembly (9).
  2. 2. A soft switching arrangement according to claim 1, wherein the control signal output of the switching module (8) is electrically connected to the control terminal of the second controllable switch (903).
  3. 3. The soft switching structure of claim 1, wherein the output end of the main control module (4) is electrically connected to the input end of the second control module (902).
  4. 4. The soft switching structure of claim 1, wherein the driving module (5) is a gate driving chip, the first controllable switch (3) is a power MOSFET, and an output end of the driving module (5) is electrically connected to a gate input end of the first controllable switch (3).
  5. 5. The soft switch structure of claim 1, wherein the output end of the first controllable switch (3) is electrically connected to the input end of the monitoring module (7), and the output end of the monitoring module (7) is electrically connected to the signal input end of the main control module (4).
  6. 6. A soft switching arrangement according to claim 1, wherein the output of the driving module (5) is electrically connected to a first signal input of the switching module (8), and a second signal input of the switching module (8) is connected to a redundant driving signal.
  7. 7. The power supply is characterized by comprising a redundant component (9), wherein the redundant component (9) comprises an independent power supply (901), the output end of the independent power supply (901) is electrically connected with a second control module (902), and the output end of the second control module (902) is electrically connected with a second controllable switch (903).
  8. 8. The power supply according to claim 7, wherein the output terminal of the second controllable switch (903) is electrically connected to the power input terminal of the load (6) and is connected in parallel to the output terminal of the first controllable switch (3).

Description

Soft switch structure and power supply Technical Field The utility model relates to the technical field of power supply control of electronic equipment, in particular to a soft switch structure and a power supply. Background The power supply of the electronic equipment is usually controlled to be on-off by a mechanical switch, and the control mode is simple and direct and is widely applied to various electronic equipment. Along with the complexity of the functions of the electronic equipment and the diversification of the use environment, the requirements on the power supply safety are higher and higher, however, the problems that the response speed is low, the power supply cannot be automatically cut off and the like exist when the traditional mechanical switch is used for coping with sudden abnormal conditions exist, and the reliability and the safety of the electronic equipment are limited to a certain extent. Disclosure of utility model In order to make up for the defects, the utility model provides a soft switch structure and a power supply, and aims to solve the problems that the reaction speed is low and the power supply cannot be automatically cut off. In order to achieve the above purpose, the soft switch structure comprises a power supply, wherein the output end of the power supply is electrically connected with a power switch, the output end of the power switch is electrically connected with a first controllable switch, the output end of the first controllable switch is electrically connected with a load, the output end of the power supply is electrically connected with a main control module, the output end of the main control module is electrically connected with a driving module, the output end of the first controllable switch is electrically connected with a monitoring module, the output end of the monitoring module is electrically connected with a switching module, and the output end of the power supply is provided with a redundant component. According to the technical scheme, the power supply is connected with the power switch and the main control module, the power switch is connected with the load through the first controllable switch, the main control module controls the first controllable switch through the driving module, the output end of the first controllable switch is connected with the switching module through the monitoring module, and the switching module controls the second controllable switch in the redundant assembly to be connected with the first controllable switch in parallel, so that a circuit path from the main circuit to the standby circuit to the real-time monitoring circuit to the fast switching is formed. As a further description of the above technical solution: preferably, the control signal output end of the switching module is electrically connected to the control end of the second controllable switch. According to the technical scheme, the switching module triggers the rapid switching when the second controllable switch is abnormal, so that the power supply reliability is improved. As a further description of the above technical solution: preferably, the output end of the main control module is electrically connected with the input end of the second control module. By the technical scheme, the second control module monitors the state of the main control module in real time, and when the main control module is abnormal, redundant switching is triggered, so that power supply continuity is ensured. As a further description of the above technical solution: Preferably, the driving module is a gate driving chip, the first controllable switch adopts a power MOSFET, and an output end of the driving module is electrically connected to a gate input end of the first controllable switch. By the technical scheme, the output end of the driving module chip is connected with the grid electrode of the power MOSFET, and the driving module chip is rapidly charged and discharged after receiving the signal of the main control module. As a further description of the above technical solution: Preferably, the output end of the first controllable switch is electrically connected to the input end of the monitoring module, and the output end of the monitoring module is electrically connected to the signal input end of the main control module. According to the technical scheme, the output end of the first controllable switch is connected with the main control module through the monitoring module, current and voltage signals are collected in real time, and protection is triggered and improved in safety when abnormality occurs. As a further description of the above technical solution: Preferably, the output end of the driving module is electrically connected to the first signal input end of the switching module, and the second signal input end of the switching module is connected to the redundant driving signal. By the technical scheme, the double-path input switching circuit is formed, the mai