Synchronous rectification high-frequency switching power supply device

Abstract

The invention relates to the technical field of switching power supplies, in particular to a synchronous rectification high-frequency switching power supply device which comprises a power supply cabinet plug-in connector, a power supply module is arranged in an installation port of the power supply cabinet plug-in connector, and a plug of the power supply module is electrically connected with a plug-in port of the power supply cabinet plug-in connector in a plug-in mode. Sliding openings are symmetrically formed in the two sides of the power module, protection assemblies which are arranged outside the power module in a covering mode and used for protecting the power module are arranged on the sliding openings in a sliding mode, and first separation assemblies which enable the protection assemblies and the power module to be separated are symmetrically arranged on the two sides of the protection assemblies. The top of the protection assembly is provided with a driving assembly capable of automatically driving the first separation assembly to work. By arranging the protection assembly, the protection assembly is installed on the power supply module, and the protection assembly can protect the power supply module and can slide away from the power supply module when the heat dissipation efficiency of the power supply module needs to be improved, so that the heat dissipation space of the power supply module is enlarged.

Description

Technical Field

[0001] The invention relates to the technical field of switching power supplies, in particular to a synchronous rectification high-frequency switching power supply device. Background Art

[0002] At present, high-frequency rectifiers are used as power supply equipment in electrolysis, electroplating, and electrophoresis. They are mainly machines that adjust the current and voltage of standard input power. High-frequency rectifiers are also called electroplating power supplies, electrolysis power supplies, and electrophoresis power supplies. High-frequency rectifiers are generally used in electroplating, aluminum oxidation, electrolysis, and other fields.

[0003] Since many power switches are uniformly installed inside the power cabinet connector, the power switches need to have very good heat dissipation capabilities. When the heat dissipation is not good, the temperature inside the device will rise, which will not only reduce the power output performance and increase its on-resistance, thereby increasing power loss, but also excessive temperature will cause the PN junction inside the chip to be broken down, causing the rectifier tube to fail. When multiple key components are damaged, the entire switching power supply device may malfunction and fail to work properly, and may even cause safety problems such as smoke and fire. Summary of the invention

[0004] The object of the present invention is to provide a synchronous rectification high frequency switching power supply device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a synchronous rectification high-frequency switching power supply device, comprising a power cabinet connector, a power module is arranged inside the installation port of the power cabinet connector, a plug of the power module is electrically plugged into the plug port of the power cabinet connector, sliding ports are symmetrically provided on both sides of the power module, a protection component is slidably provided on the sliding port and is provided on the outside of the power module for protecting the power module, first separation components for separating the protection component from the power module are symmetrically provided on both sides of the protection component, a driving component capable of automatically driving the first separation component to work is provided on the top of the protection component, and a second separation component capable of separating the power connection part of the power module from the power cabinet connector is provided on one side of the driving component; The protection component includes a protection shell covering the power module, and a plurality of sliding bars are symmetrically fixedly installed on both sides of the inner wall of the protection shell. Each of the sliding bars slides with the power module through adjacent sliding openings, and a plurality of heat dissipation holes are opened on both sides of the protection shell.

[0006] Through the above technical solution, the sliding bar and the sliding opening can slide together to allow the protective shell to slide back and forth on the power module. In this way, when the protective shell slides away, the electronic parts inside the entire power module will be exposed. Without the coverage and shielding of the protective shell, the air circulation will be smoother, thereby improving the heat dissipation effect on the electronic parts.

[0007] Preferably, the first separation component includes a first rotating column rotatably installed on one side of the inner cavity of the mounting port, a fourth driving gear fixedly mounted on the first rotating column, and a first driving gear arranged on one side of the fourth driving gear and fixedly mounted on the first rotating column, the lower end of the fourth driving gear is meshedly connected with a first tooth plate, and one side of the first tooth plate is fixedly mounted on a protective shell.

[0008] Through the above technical solution, when the first driving gear rotates with the first rotating column, the fourth driving gear will also be rotated by the first rotating column. When the first driving gear rotates one circle, the fourth driving gear will also rotate one circle. The diameter of the first driving gear is smaller and the diameter of the fourth driving gear is larger. Therefore, the distance that the fourth driving gear rotates one circle is much greater than the distance that the first driving gear rotates one circle. Therefore, when the first driving gear rotates one circle, the fourth driving gear can push the first tooth plate to move a farther distance. The rotation of the fourth driving gear will cause the first tooth plate to move, so that the first tooth plate can move with the protective shell. After the protective shell moves, it will lose the shielding of the electronic parts of the power module, thereby improving its heat dissipation efficiency.

[0009] Preferably, limit plates are fixedly installed on the upper and lower ends of both sides of the inner cavity of the installation port, and each adjacent two limit plates form a group. A first connecting plate is fixedly installed on one end of each group of limit plates located at the entrance of the installation port, and a second connecting plate is fixedly installed on one end of each group of limit plates located inside the installation port. A plurality of air holes are provided on the two first connecting plates, and baffles are detachably installed on the tops of the two first connecting plates, and one end of the two first tooth plates passes through the adjacent first connecting plates.

[0010] Through the above technical solution, the air holes in the first connecting plate can allow air to enter the installation port and discharge the hot air inside the installation port, so that the power module can dissipate heat normally. In addition, due to the restrictions of multiple limit plates, the position of the protective shell is restricted and cannot be swayed left and right, thereby avoiding the shaking of the power module.

[0011] Preferably, each group of the upper limit plates is provided with a connecting port at one end close to the fourth driving gear, and second rotating columns are rotatably installed on both sides of the inner wall of the installation port, and a second driving gear is fixedly sleeved on the two second rotating columns, and a third driving gear fixedly sleeved on the second rotating column is provided on one side of the two second driving gears, and the lower ends of the two third driving gears are meshed with a second tooth plate, and a synchronous belt for synchronous transmission is sleeved on each of the second driving gear and the first driving gear on the same side.

[0012] Through the above technical solution, the movement of the two second tooth plates can drive the third drive gear to rotate. The rotation of the third drive gear will cause the second rotating column to rotate, thereby driving the second drive gear to rotate. In this way, the two synchronous belts will drive the two first drive gears to rotate. The rotation of the first drive gear will cause the first rotating column to rotate, and finally the fourth drive gear will rotate to drive the first tooth plate to move. In this way, the movement of the first tooth plate will move with the protective shell, thereby improving the heat dissipation effect of the power module.

[0013] Preferably, a mounting plate is provided on the top of the protective shell, and both sides of the mounting plate are detachably mounted on the inner wall of the mounting opening, and both sides of the two second tooth plates are provided with limit strips fixedly mounted on the mounting plate, and the two second tooth plates are slidably matched with the top of the mounting plate through adjacent limit strips, one end of the two second tooth plates passes through the baffle, and the two second tooth plates are provided with sliding holes at one end of the mounting plate, and the driving assembly includes fixed blocks symmetrically fixedly mounted on both sides of the top of the mounting plate, a first push rod fixedly mounted on one side of each fixed block, and a first push spring and an impact block are sequentially sleeved on each first push rod from right to left, the two ends of the two first push springs are respectively abutted against the adjacent fixed blocks and impact blocks, and the ends of the two first push rods close to the second tooth plate are plugged into the adjacent sliding holes.

[0014] Through the above technical solution, the position of the impact block is initially restricted, and the first push spring can be compressed in cooperation with the fixed block, so that the first push spring is in a compressed state. In this way, when the restriction of the impact block is released, the compressed state of the first push spring will also be released, and the first push spring will push the impact block to slide on the first push rod, so that the impact block will push the adjacent second tooth plate due to the pushing force of the first push spring. When the second tooth plate is pushed, it will move with the protective shell.

[0015] Preferably, a first limiting box is fixedly installed on the top of the mounting plate, a plurality of limiting columns are fixedly installed inside the first limiting box, a first pushing plate is slidably sleeved on the plurality of limiting columns, a plurality of pushing columns are fixedly installed on the top of the first pushing plate, one end of the plurality of pushing columns passes through the first limiting box upward and is fixedly installed with a second pushing plate, a third connecting plate is fixedly installed on both ends of the bottom of the second pushing plate, and the bottom ends of the two third connecting plates are fixedly installed with limiting plates arranged in a concave shape, the two first pushing rods are located inside the grooves of adjacent limiting plates, one side of the two limiting plates abuts against adjacent impact blocks, a second pushing spring is sleeved on each of the limiting columns, the two ends of each of the second pushing springs abut against the first pushing plate and the bottom of the first limiting box inner cavity respectively, a first softening block is sleeved on each of the pushing columns, and the upper and lower ends of each of the first softening blocks abut against the first pushing plate and the top of the first limiting box inner cavity respectively, and a plurality of first connecting ports that are interconnected are opened on the first limiting box, the mounting plate, and the protective shell.

[0016] Through the above technical solution, the first softening block is a plastic with a melting point of about 50°, and the specific material is polylactic acid and part of ethylene. When the temperature of the power module gradually rises due to poor heat dissipation inside the installation port, the rising temperature will soften the first softening block until it melts. Before the first softening block softens and melts, the first push plate will be restricted by the first softening block, resulting in the first push plate being unable to move even if the second push spring pushes the first push plate upward. When the first softening block gradually softens and melts due to the temperature, the first push plate can squeeze the first softening block. In this way, under the push of multiple second push springs, the first push plate can squeeze the first softening block and move upward along the limit column. When the first push plate moves upward, multiple push columns will move together, thereby pushing the second push plate upward. After the second push plate moves upward, the third connecting plate and the limit plate at both ends will move upward. In this way, once the limit plate moves upward for a certain distance, it will separate from the impact block. After the impact block loses the limit of the limit plate, it will push the second tooth plate under the push of the first push spring.

[0017] Preferably, the second separation component includes a second limiting box arranged on one side of the first limiting box and fixedly installed with the mounting plate, a third push plate slidably arranged inside the second limiting box, a fourth connecting plate is provided on one side of the second limiting box, and a plurality of second push rods are fixedly installed on one side of the third push plate, one end of each of the second push rods passes through the second limiting box, and a third push spring is sleeved on each of the second push rods, the fourth connecting plate is arranged in an "L" shape, one end of the fourth connecting plate passes through the second limiting box and extends to the interior thereof and is fixedly installed with the third push plate, the other end of the fourth connecting plate is fixedly installed on the side where the power module is plugged in, both ends of each of the third push springs abut against the third push plate and the inner wall of the second limiting box, and a plurality of second air vents interconnected with each other are provided on the second limiting box, the mounting plate and the protective shell.

[0018] Through the above technical solution, the position of the third push plate is initially restricted, and the second restriction box will push multiple second push rods out of the second restriction box, so that multiple third push springs will be compressed in a compressed state. When the restricted state of the third push plate is cancelled, multiple third push springs will restore to push the third push plate. After the third push plate is pushed forward, it will drive the fourth connecting plate to move, so that the fourth connecting plate pushes the power module toward the entrance of the installation port, so that the electrical connection between the power module and the installation port can be separated, thereby cutting off the power supply to the power module.

[0019] Preferably, a limiting opening is provided at the top of the second limiting box, a rotating groove is provided at the bottom of the inner cavity of the second limiting box on the side away from the fourth connecting plate, an intercepting plate is rotatably installed inside the rotating groove through a rotating shaft, a fifth connecting plate is fixedly installed on the side of the second push plate close to the limiting opening, a stopper is fixedly installed at the bottom of the fifth connecting plate, one end of the stopper passes through the limiting opening and extends to one side of the intercepting plate to fit with the intercepting plate.

[0020] Through the above technical solution, the intercepting plate is initially in a vertical state and fits with the third push plate, and the block will hold the intercepting plate on the side away from the third push plate, so that the intercepting plate will limit the movement of the third push plate. When the second push plate is lifted up by the pushing column, it will move up with the fifth connecting plate. After the fifth connecting plate moves up, the block will move up and separate from the intercepting plate. After the intercepting plate loses the blocking restriction, it can be pushed by the third push plate, so that the intercepting plate will rotate into the interior of the rotating groove, which will not affect the movement of the third push plate, allowing the third push plate to continue to move in the direction of the intercepting plate.

[0021] Preferably, a plurality of second softening blocks are provided on one side of the third push plate close to the fourth connecting plate, one end of each of the second softening blocks passes through the third push plate and is fixedly connected to the intercepting plate, and the other end of each of the second softening blocks is fixedly sleeved with a limiting ring.

[0022] Through the above technical solution, the second softening block is a plastic with a melting point of about 70°, such as low-density polyethylene and some polycaprolactone materials. When the protective shell is removed, the heat dissipation of the power module still cannot meet the requirements, resulting in the gradual increase in the temperature inside the installation port. The gradually increasing temperature will soften and melt the second softening block, which will separate from the limit ring, thereby allowing the intercepting plate and the third push plate to separate, and finally allowing the third push plate to push the intercepting plate into the rotating groove, allowing the third push plate to move with the fourth connecting plate.

[0023] Compared with the prior art, the invention has the following advantages: 1. By setting a protection component, the protection component is installed on the power module. The protection component can not only protect the power module, but also slide away from the power module when the power module needs to improve the heat dissipation efficiency, so that the heat dissipation space of the power module becomes larger and the heat dissipation efficiency is improved; 2. By setting the protection component, the first separation component and the driving component, when the temperature of the power module is too high and needs to be cooled, the driving component will be triggered due to the increased temperature. After the driving component is triggered, the first separation component will push the protection component on the power module to move the protection component away from the power module. In this way, when the temperature of the power module rises, the protection component will be automatically removed to improve the heat dissipation efficiency; 3. By setting up a second separation component, when the heat dissipation of the power module fails to meet the requirements and the temperature becomes higher and higher, the second separation component will be triggered, thereby directly separating the power module from the power cabinet connector, cutting off the power supply to the power module, and preventing the continued increase in temperature from damaging the power module. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the cross-sectional structure of the power cabinet connector of the present invention; Figure 3 This is a schematic diagram of the cross-sectional structure of the protective shell of the present invention; Figure 4 It is a schematic diagram of the structure of the present invention having a fourth driving gear and a first gear plate; Figure 5 It is a schematic diagram of the structure of the present invention having a third driving gear and a second gear plate; Figure 6 It is a schematic diagram of the structure of the present invention having a mounting plate; Figure 7 It is a schematic diagram of the structure of the present invention having a second driving gear and a synchronous belt; Figure 8 For the present invention Figure 6 A magnified view of the structure of part A; Fig. 9 It is a schematic cross-sectional structural diagram of the first limiting box of the present invention; Fig.10 It is a schematic cross-sectional structural diagram of a second limiting box of the present invention; Fig.11 It is a schematic diagram of the structure of the first vent and the second vent of the present invention.

[0025] In the figure: 1, power cabinet connector; 2, power module; 301, protective shell; 302, sliding bar; 401, first rotating column; 402, fourth driving gear; 403, first driving gear; 404, first tooth plate; 501, fixing block; 502, first pushing rod; 503, first pushing spring; 504, impact block; 601, second limiting box; 602, third pushing plate; 603, second pushing rod; 604, fourth connecting plate; 605, third pushing spring; 7, limiting plate; 8, first connecting plate; 9. Second connecting plate; 10. Second rotating column; 11. Second driving gear; 12. Third driving gear; 13. Second tooth plate; 14. Baffle; 15. Synchronous belt; 16. Mounting plate; 17. First limiting box; 18. Limiting column; 19. First pushing plate; 20. Pushing column; 21. Second pushing plate; 22. Third connecting plate; 23. Limiting plate; 24. Second pushing spring; 25. First softening block; 26. Intercepting plate; 27. Fifth connecting plate; 28. Block; 29. ​​Second softening block; 30. Limiting ring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figures 1 to 10The present invention provides a technical solution: a synchronous rectification high-frequency switching power supply device, comprising a power cabinet connector 1, a power module 2 is arranged inside the installation port of the power cabinet connector 1, and the plug of the power module 2 is electrically plugged into the plug interface of the power cabinet connector 1. The power cabinet connector 1 is a part of the complete power cabinet for plugging the power module 2. Sliding ports are symmetrically provided on both sides of the power module 2. A protective component is slidably provided on the sliding port and is provided on the outside of the power module 2 for protecting the power module 2. A first separation component is symmetrically provided on both sides of the protection component to separate the protection component from the power module 2. A driving component capable of automatically driving the first separation component to work is provided on the top of the protection component. When the heat dissipation of the power module 2 is insufficient and the internal temperature rises, the driving component will automatically drive the separation component to push the protection component from the power module 2 due to the temperature rise, so that the protection component leaks the electronic components of the power module 2, so that the heat dissipation efficiency of the power module 2 is increased. A second separation component capable of separating the power connection part of the power module 2 from the plug interface of the power cabinet connector 1 is provided on one side of the driving component. The protection component includes a protection shell 301 covering the power module 2, and multiple sliding bars 302 are symmetrically fixedly installed on both sides of the inner wall of the protection shell 301. Each sliding bar 302 slides with the power module 2 through adjacent sliding openings, and multiple heat dissipation holes are opened on both sides of the protection shell 301.

[0028] The sliding bar 302 and the sliding opening can slide together to allow the protective shell 301 to slide back and forth on the power module 2. In this way, when the protective shell 301 slides away, the electronic components inside the entire power module 2 will be exposed. Without the coverage and shielding of the protective shell 301, the air circulation will be smoother, thereby improving the heat dissipation effect on the electronic components.

[0029] The first separation component includes a first rotating column 401 rotatably installed on one side of the inner cavity of the installation port, a fourth driving gear 402 fixedly sleeved on the first rotating column 401, and a first driving gear 403 arranged on one side of the fourth driving gear 402 and fixedly sleeved on the first rotating column 401. The lower end of the fourth driving gear 402 is meshedly connected with a first tooth plate 404, and one side of the first tooth plate 404 is fixedly installed with the protective shell 301.

[0030] When the first driving gear 403 rotates with the first rotating column 401, the fourth driving gear 402 will also be rotated by the first rotating column 401. The first driving gear 403 rotates one circle, and the fourth driving gear 402 also rotates one circle. The diameter of the first driving gear 403 is smaller, and the diameter of the fourth driving gear 402 is larger. Therefore, the distance that the fourth driving gear 402 rotates one circle is much greater than the distance that the first driving gear 403 rotates one circle. Therefore, the first driving gear 403 rotates one circle. The fourth driving gear 402 can push the first tooth plate 404 to move a farther distance. The rotation of the fourth driving gear 402 can cause the first tooth plate 404 to move, so that the first tooth plate 404 can move with the protective shell 301. After the protective shell 301 moves, it will lose the shielding of the electronic parts of the power module 2, so that its heat dissipation efficiency is improved.

[0031] Limiting plates 7 are fixedly installed on the upper and lower ends of both sides of the inner cavity of the installation port, and each two adjacent limiting plates 7 form a group. A first connecting plate 8 is fixedly installed on one end of each group of limiting plates 7 located at the entrance of the installation port, and a second connecting plate 9 is fixedly installed on one end of each group of limiting plates 7 located inside the installation port. Multiple air holes are opened on the two first connecting plates 8, and baffles 14 are detachably installed on the top of the two first connecting plates 8. One end of the two first tooth plates 404 passes through the adjacent first connecting plates 8.

[0032] The first connecting plate 8 has ventilation holes to allow air to enter the installation port and to discharge the hot air inside the installation port, so that the power module 2 can dissipate heat normally. In addition, due to the restrictions of multiple limit plates 7, the position of the protective shell 301 is restricted and cannot be swayed left and right, thereby avoiding the shaking of the power module 2.

[0033] Each group of upper limiting plates 7 is provided with a connecting port at one end close to the fourth driving gear 402, and second rotating columns 10 are rotatably installed on both sides of the inner wall of the installation port, and second driving gears 11 are fixedly sleeved on the two second rotating columns 10, and one side of the two second driving gears 11 is provided with a third driving gear 12 fixedly sleeved on the second rotating column 10, and the lower ends of the two third driving gears 12 are meshed and connected with a second tooth plate 13, and a synchronous belt 15 for synchronous transmission is sleeved on each of the second driving gear 11 and the first driving gear 403 on the same side.

[0034] The movement of the two second tooth plates 13 can drive the third drive gear 12 to rotate. The rotation of the third drive gear 12 will cause the second rotating column 10 to rotate, thereby driving the second drive gear 11 to rotate. In this way, the two synchronous belts 15 will drive the two first drive gears 403 to rotate. The rotation of the first drive gear 403 will cause the first rotating column 401 to rotate, and finally the fourth drive gear 402 will rotate to drive the first tooth plate 404 to move. In this way, the movement of the first tooth plate 404 will move with the protective shell 301, thereby improving the heat dissipation effect of the power module 2.

[0035] A mounting plate 16 is provided on the top of the protective shell 301, and both sides of the mounting plate 16 are detachably mounted on the inner wall of the mounting opening, and both sides of the two second tooth plates 13 are provided with limit strips fixedly mounted on the mounting plate 16, and the two second tooth plates 13 are slidably matched with the top of the mounting plate 16 through adjacent limit strips, one end of the two second tooth plates 13 passes through the baffle 14, and one end of the two second tooth plates 13 on the mounting plate 16 is provided with sliding holes, and the driving assembly includes fixed blocks 501 symmetrically fixedly mounted on both sides of the top of the mounting plate 16, a first push rod 502 fixedly mounted on one side of each fixed block 501, and each first push rod 502 is sequentially sleeved with a first push spring 503 and an impact block 504 from right to left, and the two ends of the two first push springs 503 are respectively abutted against the adjacent fixed blocks 501 and the impact blocks 504, and the ends of the two first push rods 502 close to the second tooth plate 13 are plugged into the adjacent sliding holes.

[0036] Initially, the position of the impact block 504 is restricted, and the first push spring 503 can be compressed in cooperation with the fixed block 501, so that the first push spring 503 is in a compressed state. In this way, when the restriction of the impact block 504 is released, the compressed state of the first push spring 503 will also be released, and the first push spring 503 will push the impact block 504 to slide on the first push rod 502, so that the impact block 504 will push the adjacent second tooth plate 13 due to the pushing force of the first push spring 503.

[0037] A first limiting box 17 is fixedly installed on the top of the mounting plate 16, and a plurality of limiting columns 18 are fixedly installed inside the first limiting box 17. A first pushing plate 19 is slidably sleeved on the plurality of limiting columns 18. A plurality of pushing columns 20 are fixedly installed on the top of the first pushing plate 19. One end of the plurality of pushing columns 20 passes through the first limiting box 17 upward and is fixedly installed with a second pushing plate 21. Third connecting plates 22 are fixedly installed at both ends of the bottom of the second pushing plate 21. A limiting plate 23 with a concave shape is fixedly installed at the bottom ends of the two third connecting plates 22. The two first pushing rods 502 are both located at Inside the grooves of adjacent limiting plates 23, one side of the two limiting plates 23 abuts against the adjacent impact blocks 504, each limiting column 18 is sleeved with a second push spring 24, and the two ends of each second push spring 24 abut against the first push plate 19 and the bottom of the inner cavity of the first limiting box 17 respectively, and each push column 20 is sleeved with a first softening block 25, and the upper and lower ends of each first softening block 25 abut against the top of the inner cavity of the first push plate 19 and the first limiting box 17 respectively, and the first limiting box 17, the mounting plate 16, and the protective shell 301 are all provided with a plurality of first connecting ports that are interconnected.

[0038] The first softening block 25 is a plastic with a melting point of about 50°, and can be specifically made of polylactic acid or some ethylene. When the temperature of the power module 2 gradually rises due to poor heat dissipation inside the installation port, the increased temperature will soften the first softening block 25 until it melts. Before the first softening block 25 softens and melts, the first push plate 19 will always be restricted by the first softening block 25, resulting in the first push plate 19 being unable to move even if the second push spring 24 pushes the first push plate 19 upward. When the first softening block 25 gradually softens and melts due to the temperature, the first push plate 19 can squeeze the first softening block 25. In this way, under the push of multiple second push springs 24, the first The pushing plate 19 can squeeze the first softening block 25 and move upward along the limiting column 18. After the first pushing plate 19 moves upward, multiple pushing columns 20 will move together, thereby pushing the second pushing plate 21 upward. After the second pushing plate 21 moves upward, the third connecting plate 22 and the limiting plate 23 at both ends will move upward. In this way, once the limiting plate 23 moves upward a certain distance, it will be separated from the impact block 504. After the impact block 504 loses the restriction of the limiting plate 23, it will push the second tooth plate 13 under the push of the first pushing spring 503.

[0039] The second separation assembly includes a second limiting box 601 fixedly installed on one side of the first limiting box 17 and the mounting plate 16, a third push plate 602 slidably arranged inside the second limiting box 601, a fourth connecting plate 604 arranged on one side of the second limiting box 601, a plurality of second push rods 603 fixedly installed on one side of the third push plate 602, one end of each of the plurality of second push rods 603 passes through the second limiting box 601, a third push spring 605 is sleeved on each of the plurality of second push rods 603, the fourth connecting plate 604 is arranged in an "L" shape, one end of the fourth connecting plate 604 passes through the second limiting box 601 and extends to the inside thereof and is fixedly installed with the third push plate 602, the other end of the fourth connecting plate 604 is fixedly installed with the side where the power module 2 is plugged in, and both ends of the plurality of third push springs 605 abut against the third push plate 602 and the inner wall of the second limiting box 601. The second limiting box 601, the mounting plate 16, and the protective shell 301 are all provided with a plurality of second vents that are interconnected.

[0040] Initially, the position of the third push plate 602 is restricted, and the second restriction box 601 will push the multiple second push rods 603 out of the second restriction box 601, so that the multiple third push springs 605 will be compressed in a compressed state. When the restricted state of the third push plate 602 is cancelled, the multiple third push springs 605 will restore to push the third push plate 602. After the third push plate 602 is pushed forward, it will drive the fourth connecting plate 604 to move, so that the fourth connecting plate 604 pushes the power module 2 toward the entrance of the installation port, so that the electrical connection between the power module 2 and the installation port can be separated, thereby cutting off the power supply to the power module 2.

[0041] A limiting opening is provided at the top of the second limiting box 601, and a rotating groove is provided at the side of the inner bottom of the second limiting box 601 away from the fourth connecting plate 604, and an intercepting plate 26 is rotatably installed inside the rotating groove through a rotating shaft, and a fifth connecting plate 27 is fixedly installed on the side of the second push plate 21 close to the limiting opening, and a stopper 28 is fixedly installed on the bottom of the fifth connecting plate 27, and one end of the stopper 28 passes through the limiting opening and extends to one side of the intercepting plate 26 to fit with the intercepting plate 26.

[0042] Initially, the intercepting plate 26 is in a vertical state and fits with the third push plate 602, and the stopper 28 will hold the intercepting plate 26 against the side away from the third push plate 602, so that the intercepting plate 26 will limit the movement of the third push plate 602. When the second push plate 21 is lifted up by the push column 20, it will move up with the fifth connecting plate 27. After the fifth connecting plate 27 moves up, the stopper 28 will move up, thereby separating from the intercepting plate 26. After the intercepting plate 26 loses the blocking restriction, it can be pushed by the third push plate 602, so that the intercepting plate 26 will rotate into the interior of the rotating groove and will not affect the movement of the third push plate 602.

[0043] A plurality of second softening blocks 29 are provided on one side of the third push plate 602 close to the fourth connecting plate 604 , one end of each of the second softening blocks 29 passes through the third push plate 602 and is fixedly connected to the intercepting plate 26 , and a limiting ring 30 is fixedly sleeved on the other end of each second softening block 29 .

[0044] The second softening block 29 is a plastic with a melting point of about 70°, such as low-density polyethylene and some polycaprolactone. When the protective shell 301 is removed, the heat dissipation of the power module 2 still cannot meet the requirements, resulting in a gradual increase in the temperature inside the installation port. The gradually increasing temperature will soften and melt the second softening block 29, which will separate from the limit ring 30, allowing the intercepting plate 26 to separate from the third push plate 602, and finally allowing the third push plate 602 to push the intercepting plate 26 into the rotating groove, allowing the third push plate 602 to move with the fourth connecting plate 604.

[0045] Working principle: When the temperature of the power module 2 gradually rises due to poor heat dissipation inside the installation port, the air with increased temperature will enter the interior of the first limiting box 17 from the first vent, causing the first softening block 25 to soften until it melts. Before the first softening block 25 softens until it melts, the first push plate 19 will always be restricted in position by the first softening block 25, resulting in the first push plate 19 being unable to move even if the second push spring 24 pushes the first push plate 19 upward.

[0046] When the first softening block 25 gradually softens until it melts due to the temperature, the first push plate 19 can squeeze the first softening block 25. In this way, under the push of multiple second push springs 24, the first push plate 19 can squeeze the first softening block 25 and move upward along the limit column 18. After the first push plate 19 moves upward, the multiple push columns 20 will move together, thereby pushing the second push plate 21 upward. After the second push plate 21 moves upward, the third connecting plate 22 and the limiting plate 23 at both ends will move upward. In this way, once the limiting plate 23 moves upward a certain distance, it will separate from the impact block 504. After the impact block 504 loses the restriction of the limiting plate 23, it will push the second tooth plate 13 under the push of the first push spring 503.

[0047] After the second tooth plate 13 is pushed, it will slide on the mounting plate 16, thereby driving the third driving gear 12 to rotate. The rotation of the third driving gear 12 will cause the second rotating column 10 to rotate, thereby driving the second driving gear 11 to rotate. In this way, the two synchronous belts 15 will drive the two first driving gears 403 to rotate. The rotation of the first driving gear 403 will cause the first rotating column 401 to rotate, and finally the fourth driving gear 402 will rotate to drive the first tooth plate 404 to move. In this way, the movement of the first tooth plate 404 will move with the protective shell 301 fixedly connected thereto, and the protective shell 301 will cooperate with the sliding bar 302 to slide out from the sliding port of the power module 2 toward the outside of the mounting port.

[0048] When the second push plate 21 is lifted up by the push column 20, it will move up with the fifth connecting plate 27. After the fifth connecting plate 27 moves up, the stopper 28 will move up, thereby separating from the intercepting plate 26, thereby releasing the position restriction effect of the stopper 28 on the intercepting plate 26.

[0049] Although the limiting effect of the block 28 on the interception plate 26 has been released, the second softening block 29 still has one end passing through the third push plate 602 and is fixedly connected to the interception plate 26. Therefore, before the second softening block 29 softens and melts, the limiting ring 30 will still have a limiting effect on the position of the interception plate 26.

[0050] Therefore, after the protective shell 301 is removed, the heat dissipation effect of the power module 2 has been improved. However, when the heat dissipation of the power module 2 still does not meet the requirements, the temperature inside the installation port will gradually increase, and the air with gradually increased temperature will enter the second limiting box 601 from the second vent. At this time, the position of the third push plate 602 is restricted by the vertical interception plate 26 and cannot move forward. The multiple second push rods 603 are pushed out of the second limiting box 601, so that the multiple third push springs 605 will be compressed in a compressed state, and the gradually increased temperature will soften and melt the second softening block 29. After softening, the second softening block 29 will lose its pulling force on the interception plate 26, thereby losing the position restriction on the interception plate 26. In this way, the pushing force of the third push plate 602 can push the intercepting plate 26. When the restriction of the third push plate 602 by the intercepting plate 26 is cancelled, the multiple third push springs 605 will restore to push the third push plate 602, and the intercepting plate 26 will be pushed by the third push plate 602 and rotate into the interior of the rotating groove, which will not affect the movement of the third push plate 602. After being pushed forward, the third push plate 602 will drive the fourth connecting plate 604 to move, so that the fourth connecting plate 604 pushes the power module 2 toward the entrance of the installation port, so that the electrical connection between the power module 2 and the installation port can be separated, thereby cutting off the power supply to the power module 2 to prevent the continuously rising temperature from damaging the power module 2.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A synchronous rectifier high-frequency switching power supply device, comprising a power cabinet connector (1), a power module (2) being arranged inside the installation opening of the power cabinet connector (1), a plug of the power module (2) being electrically plugged into the plug interface of the power cabinet connector (1), characterized in that: The power module (2) is symmetrically provided with sliding openings on both sides, a protection component is slidably provided on the sliding opening and is arranged outside the power module (2) to protect the power module (2), first separation components are symmetrically provided on both sides of the protection component to separate the protection component from the power module (2), a driving component is provided on the top of the protection component to automatically drive the first separation component to work, and a second separation component is provided on one side of the driving component to separate the power module (2) from the power cabinet connector (1); The protection component comprises a protection shell (301) which is covered on the power module (2), a plurality of sliding bars (302) being symmetrically fixedly mounted on both sides of the inner wall of the protection shell (301), each of the sliding bars (302) being slidably matched with the power module (2) via an adjacent sliding opening, and a plurality of heat dissipation holes being provided on both sides of the protection shell (301).

2. A synchronous rectification high frequency switching power supply device according to claim 1, characterized in that: The first separation component comprises a first rotating column (401) rotatably mounted on one side of the inner cavity of the mounting port, a fourth driving gear (402) fixedly sleeved on the first rotating column (401), and a first driving gear (403) arranged on one side of the fourth driving gear (402) and fixedly sleeved on the first rotating column (401), wherein the lower end of the fourth driving gear (402) is meshingly connected with a first tooth plate (404), and one side of the first tooth plate (404) is fixedly mounted on the protective shell (301).

3. A synchronous rectification high frequency switching power supply device according to claim 2, characterized in that: Limiting plates (7) are fixedly installed at the upper and lower ends of both sides of the inner cavity of the installation port, and each adjacent two limiting plates (7) form a group. A first connecting plate (8) is fixedly installed at one end of each group of limiting plates (7) located at the entrance of the installation port, and a second connecting plate (9) is fixedly installed at one end of each group of limiting plates (7) located inside the installation port. A plurality of air holes are provided on the two first connecting plates (8), and baffles (14) are detachably installed on the tops of the two first connecting plates (8), and one end of the two first tooth plates (404) passes through the adjacent first connecting plates (8).

4. A synchronous rectification high frequency switching power supply device according to claim 3, characterized in that: Each set of the upper limiting plates (7) is provided with a connecting opening at one end close to the fourth driving gear (402), and second rotating columns (10) are rotatably installed on both sides of the inner wall of the installation opening, and the two second rotating columns (10) are fixedly sleeved with a second driving gear (11), and one side of the two second driving gears (11) is provided with a third driving gear (12) fixedly sleeved on the second rotating column (10), and the lower ends of the two third driving gears (12) are meshedly connected with a second tooth plate (13), and a synchronous belt (15) for synchronous transmission is sleeved on each of the second driving gear (11) and the first driving gear (403) on the same side.

5. A synchronous rectification high frequency switching power supply device according to claim 4, characterized in that: The top of the protective shell (301) is provided with a mounting plate (16), both sides of the mounting plate (16) are detachably mounted on the inner wall of the mounting opening, both sides of the two second tooth plates (13) are provided with limit bars fixedly mounted on the mounting plate (16), the two second tooth plates (13) are slidably matched with the top of the mounting plate (16) through adjacent limit bars, one end of the two second tooth plates (13) passes through the baffle (14), and one end of the two second tooth plates (13) on the mounting plate (16) is provided with a sliding hole, and the drive assembly The invention comprises fixed blocks (501) symmetrically fixedly mounted on both sides of the top of the mounting plate (16), a first push rod (502) fixedly mounted on one side of each fixed block (501), and each first push rod (502) being sleeved with a first push spring (503) and an impact block (504) in sequence from right to left, the two ends of the two first push springs (503) respectively abutting against the adjacent fixed blocks (501) and the impact block (504), and the ends of the two first push rods (502) close to the second tooth plate (13) are both plugged into the adjacent sliding holes.

6. A synchronous rectification high frequency switching power supply device according to claim 5, characterized in that: A first limiting box (17) is fixedly mounted on the top of the mounting plate (16), a plurality of limiting columns (18) are fixedly mounted inside the first limiting box (17), a first pushing plate (19) is slidably sleeved on the plurality of limiting columns (18), a plurality of pushing columns (20) are fixedly mounted on the top of the first pushing plate (19), one end of the plurality of pushing columns (20) passes through the first limiting box (17) upward and is fixedly mounted with a second pushing plate (21), third connecting plates (22) are fixedly mounted on both ends of the bottom of the second pushing plate (21), and a limiting plate (23) arranged in a concave shape is fixedly mounted on the bottom ends of the two third connecting plates (22), and the two first pushing rods (502) are both Located inside the grooves of adjacent limiting plates (23), one side of the two limiting plates (23) is in contact with the adjacent impact block (504), each of the limiting columns (18) is sleeved with a second push spring (24), and the two ends of each of the second push springs (24) are respectively in contact with the first push plate (19) and the bottom of the inner cavity of the first limiting box (17), each of the pushing columns (20) is sleeved with a first softening block (25), and the upper and lower ends of each of the first softening blocks (25) are respectively in contact with the top of the inner cavity of the first push plate (19) and the first limiting box (17), and the first limiting box (17), the mounting plate (16), and the protective shell (301) are all provided with a plurality of first connecting ports that are interconnected.

7. A synchronous rectification high frequency switching power supply device according to claim 6, characterized in that: The second separation component comprises a second limiting box (601) arranged on one side of the first limiting box (17) and fixedly mounted on the mounting plate (16), a third pushing plate (602) slidably arranged inside the second limiting box (601), a fourth connecting plate (604) being arranged on one side of the second limiting box (601), a plurality of second pushing rods (603) being fixedly mounted on one side of the third pushing plate (602), one end of each of the plurality of second pushing rods (603) passing through the second limiting box (601), and a third pushing spring (605) being sleeved on each of the plurality of second pushing rods (603). ), the fourth connecting plate (604) is arranged in an "L" shape, one end of the fourth connecting plate (604) passes through the second limiting box (601) and extends to the inside thereof to be fixedly installed with the third pushing plate (602), the other end of the fourth connecting plate (604) is fixedly installed with the side of the power module (2) plugged in, both ends of the plurality of third pushing springs (605) are in contact with the third pushing plate (602) and the inner wall of the second limiting box (601), and the second limiting box (601), the mounting plate (16) and the protective shell (301) are all provided with a plurality of second vents that are interconnected.

8. A synchronous rectification high frequency switching power supply device according to claim 7, characterized in that: A limiting opening is provided at the top of the second limiting box (601), and a rotation groove is provided at the bottom of the inner cavity of the second limiting box (601) on a side away from the fourth connecting plate (604), and an intercepting plate (26) is rotatably installed inside the rotating groove via a rotating shaft, and a fifth connecting plate (27) is fixedly installed on the side of the second push plate (21) close to the limiting opening, and a stopper (28) is fixedly installed at the bottom of the fifth connecting plate (27), and one end of the stopper (28) passes through the limiting opening and extends to one side of the intercepting plate (26) to fit with the intercepting plate (26).

9. A synchronous rectification high frequency switching power supply device according to claim 8, characterized in that: A plurality of second softening blocks (29) are provided on one side of the third push plate (602) close to the fourth connecting plate (604), one end of each of the plurality of second softening blocks (29) passes through the third push plate (602) and is fixedly connected to the intercepting plate (26), and the other end of each of the second softening blocks (29) is fixedly sleeved with a limiting ring (30).

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