Novel structure of synchronous rectification PoE power supply
Technical Field
The utility model relates to the technical field of POE power supplies, in particular to a novel structure of a synchronous rectification POE power supply.
Background
The utility model discloses a novel synchronous rectification PoE power supply structure with the bulletin number of CN215072174U, which comprises a shell, a front panel, a main control board, an IC module, a synchronous rectification module, a voltage stabilizing module, a plurality of power supply modules and a plurality of power supply ports, wherein the front panel is arranged at the front end of the shell, the main control board is arranged at the front end of the inner space of the shell, the IC module is arranged on the main control board, the synchronous rectification module is arranged beside the IC module and is electrically connected with the main control board, the voltage stabilizing module is arranged at the rear end of the synchronous rectification module and is electrically connected with the main control board, the plurality of power supply modules are arranged at the front end of the main control board and are electrically connected with the front end of the main control board, and the plurality of power supply ports are arranged on the front panel. The utility model well solves the problems that the output of the device in the prior art adopts the Schottky diode as a rectifying circuit, the power is not too high, the related temperature test is not passed, the service life is short, and the like.
But this novel synchronous rectification PoE power structure is unfavorable for inside heat dissipation to inconvenient demolishs the maintenance, and the inside generates heat easily and produces a large amount of deposition for a long time, influences the use, so we propose novel synchronous rectification PoE power novel structure for solve above-mentioned problem.
Disclosure of Invention
The utility model aims to solve the defects that in the prior art, a novel synchronous rectification PoE power supply structure is unfavorable for internal heat dissipation, is inconvenient to disassemble and maintain, is easy to generate heat and generates a large amount of accumulated ash after being used for a long time, and influences the use.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the novel synchronous rectification PoE power supply structure comprises a machine box, wherein a main control board, an IC (integrated circuit) module, a synchronous rectification module, a voltage stabilizing module and a power supply module are arranged in the machine box, a plurality of interfaces are arranged on one side of the machine box, a switch is arranged on one side of the machine box, and heat dissipation components for dissipating heat in the machine box are arranged on two sides of the machine box;
the top of the machine box is provided with a cover plate for fixing the heat dissipation component.
Preferably, the heat dissipation assembly comprises a first rectangular groove formed in one side of the machine box, a filter screen is inserted into the inner wall of the first rectangular groove, a second rectangular groove is formed in the other side of the machine box, a connecting frame is inserted into the inner wall of the second rectangular groove, a heat dissipation fan is fixedly connected to the inner wall of the connecting frame, and the heat dissipation fan is connected with a switch wire.
Preferably, the top fixedly connected with two L shape slide rails of machine box, the L shape slide rail corresponding L shape groove is seted up to the bottom of apron, L shape slide rail and L shape groove sliding connection, the bottom inner wall fixedly connected with of machine box is used for the spacing locating piece to the apron.
Preferably, two rectangular holes symmetrically arranged are formed in one side of the cover plate, rectangular blocks are slidably connected to the inner walls of the rectangular holes, through holes are formed in one side of the rectangular holes, baffle rings are slidably connected to the inner walls of the through holes, pin columns are fixedly connected to the inner walls of the baffle rings, second arc-shaped grooves and first arc-shaped grooves matched with the pin columns for use are formed in one side, close to the pin columns, of the rectangular blocks, springs are sleeved on the outer walls of the pin columns, and grooves matched with the pin columns for use are formed in the inner walls of the machine box, and the grooves are fixedly connected to the two ends of the springs respectively, close to one side, of the through holes and the baffle rings.
Preferably, the two ends of the rectangular block are fixedly connected with limiting blocks.
Preferably, one side of the machine box, which is close to the heat dissipation fan, is rotatably connected with a plurality of lily blades.
In the utility model, the novel structure of the synchronous rectification PoE power supply comprises the following components:
1. the heat dissipation fan is powered on, the switch is turned on to start the heat dissipation fan, the heat dissipation fan can dissipate heat in the machine box, and the lily blades can be blown open when the heat dissipation fan is started;
2. when the inside of the machine box needs to be cleaned, the rectangular block is pushed inwards to enable the pin column to slide into the first arc-shaped groove, at the moment, the pin column is separated from the groove on the inner wall of the machine box, the cover plate is pulled outwards, the cover plate can be separated from the machine box, the filter screen can be pulled out for cleaning or replacement, the connecting frame and the heat dissipation fan are pulled out, and the heat dissipation fan is cleaned, so that the cleaning is completed;
3. the cover plate is inserted into the L-shaped sliding rail until the cover plate is attached to the positioning block, the first arc-shaped groove is pulled outwards, the pin column slides into the second arc-shaped groove, and at the moment, the other end of the pin column enters the groove in the inner wall of the machine box, so that the cover plate is fixed.
The device can radiate the high temperature inside the machine box through the radiating fan, is convenient to detach, and can effectively reduce dust accumulation to enter the machine box by adding the filter screen and the lily leaves.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a novel synchronous rectification PoE power supply structure according to the present utility model;
FIG. 2 is an exploded view of a novel configuration of a synchronous rectification PoE power supply according to the present utility model;
FIG. 3 is a schematic view of a cover plate of the present utility model;
FIG. 4 is a schematic view of a pin in the present utility model;
FIG. 5 is a partial schematic view of FIG. 3;
fig. 6 is a schematic cross-sectional view of fig. 5.
In the figure: 1. a machine box; 2. a switch; 3. an interface; 4. a cover plate; 5. a first rectangular groove; 6. a filter screen; 7. a second rectangular groove; 8. a heat dissipation fan; 9. a connection frame; 10. an L-shaped slide rail; 11. an L-shaped groove; 12. rectangular blocks; 13. a rectangular hole; 14. a first arc-shaped groove; 15. a through hole; 16. a pin; 17. a spring; 18. a baffle ring; 19. a second arc-shaped groove; 20. a limiting block; 21. lily leaves; 22. and (5) positioning blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1-6, a novel synchronous rectification PoE power supply structure comprises a machine box 1, wherein a main control board, an IC module, a synchronous rectification module, a voltage stabilizing module and a power supply module are arranged in the machine box 1, a plurality of interfaces 3 are arranged on one side of the machine box 1, a switch 2 is arranged on one side of the machine box 1, and heat dissipation components for dissipating heat inside the machine box 1 are arranged on two sides of the machine box 1;
the top of the machine box 1 is provided with a cover plate 4 for fixing the heat radiation component.
Example two
Referring to fig. 1-6, a novel synchronous rectification PoE power supply structure comprises a machine box 1, wherein a main control board, an IC module, a synchronous rectification module, a voltage stabilizing module and a power supply module are arranged in the machine box 1, one side of the machine box 1 is provided with a plurality of interfaces 3, one side of the machine box 1 is provided with a switch 2, two sides of the machine box 1 are provided with radiating components for radiating the inside of the machine box 1, each radiating component comprises a first rectangular groove 5 arranged on one side of the machine box 1, a filter screen 6 is inserted into the inner wall of the first rectangular groove 5 so as to facilitate replacement of the filter screen 6, dust deposit is prevented from entering the machine box 1 during use, a second rectangular groove 7 is arranged on the other side of the machine box 1, a connecting frame 9 is inserted into the inner wall of the second rectangular groove 7, the inner wall of the connecting frame 9 is fixedly connected with a radiating fan 8 so as to facilitate disassembly and assembly of the radiating fan 8, one side of the machine box 1 close to the radiating fan 8 is rotationally connected with a plurality of lily blades 21, the lily blades 21 are closed when the heat dissipation fan 8 is not started, the lily blades 21 can be blown open when the heat dissipation fan 8 is started, dust deposition is prevented from entering the machine box 1 when the heat dissipation fan 8 is not used, the heat dissipation fan 8 is connected with the switch 2 through wires, the heat dissipation fan 8 is convenient to control, the top of the machine box 1 is provided with a cover plate 4 for fixing a heat dissipation component, the top of the machine box 1 is fixedly connected with two L-shaped sliding rails 10, the bottom of the cover plate 4 is provided with an L-shaped groove 11 corresponding to the L-shaped sliding rails 10, the L-shaped sliding rails 10 are in sliding connection with the L-shaped groove 11, the inner wall of the bottom of the machine box 1 is fixedly connected with a positioning block 22 for limiting the cover plate 4, one side of the cover plate 4 is provided with two symmetrically arranged rectangular holes 13, the inner wall of the rectangular holes 13 is in sliding connection with rectangular blocks 12, two ends of the rectangular blocks 12 are fixedly connected with limiting blocks 20, one side of the rectangular holes 13 is provided with through holes 15, the inner wall sliding connection of through-hole 15 has the baffle ring 18, the inner wall fixedly connected with round pin post 16 of baffle ring 18, the rectangular piece 12 is close to the second arc wall 19 and the first arc wall 14 that the cooperation of round pin post 16 was used have been seted up to one side, the outer wall cover of round pin post 16 is equipped with spring 17, the through-hole 15 is close to each other one side with baffle ring 18 respectively with spring 17's both ends fixed connection, the recess that the cooperation of round pin post 16 was used is seted up with the inner wall of box 1, be convenient for fixed apron 4 to convenient dismantlement.
Working principle: when the utility model is used, the heat radiating fan 8 is powered on, the switch 2 is turned on to start the heat radiating fan 8, the heat radiating fan 8 can radiate heat in the machine box 1, when the heat radiating fan 8 is turned on, the lily blades 21 can be blown open, when the interior of the machine box 1 needs to be cleaned, the rectangular block 12 is pushed inwards, the pin 16 slides into the first arc-shaped groove 14, at the moment, the pin 16 is separated from the groove on the inner wall of the machine box 1, the cover plate 4 is pulled outwards, the cover plate 4 and the machine box 1 can be separated, the filter screen 6 can be pulled out for cleaning or replacement, the connecting frame 9 and the heat radiating fan 8 are pulled out, the cleaning of the heat radiating fan 8 is completed, the cover plate 4 is inserted into the L-shaped slide rail 10 until the cover plate 4 is attached to the positioning block 22, the rectangular block 12 is pulled outwards, the pin 16 slides into the second arc-shaped groove 19, at the moment, the other end of the pin 16 enters the groove on the inner wall of the machine box 1, and the cover plate 4 is fixed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.