Method and device for improving power density of small-size power supply based on integrated magnetic part technology

Abstract

The invention relates to the technical field of power electronics, and discloses a small-size power source power density improving method and device based on the integrated magnetic part technology, the device comprises a power source shell, a circuit board and a stacking device, the circuit board is fixedly connected with the power source shell, the stacking device is arranged on the surface of the circuit board, and the stacking device comprises an outer frame; the outer frame is fixedly connected with the surface of the circuit board, a middle frame is fixedly connected to the inner wall of the outer frame, a sliding groove is formed in the surface of the middle frame, and a first assembly plate is slidably connected to the surface of the middle frame. According to the invention, the magnetic parts are mounted on the slidable assembly plate in a layered manner, the three-dimensional utilization of space is realized, the horizontal occupied area is greatly reduced, the integration level of the circuit board is improved, and the push-pull structure is matched with quick locking mechanisms such as the screw rod, the spring and the pinch plate, so that the magnetic parts are mounted and dismounted without complicated tools, the maintenance time is remarkably shortened, and the maintenance cost is reduced; the stacking design can also optimize the magnetic circuit layout, reduce electromagnetic interference and improve the stability of the power supply.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of power electronics, in particular to a small-size power supply power density improvement method and device based on integrated magnetic component technology. BACKGROUND

[0002] A power supply is a device that can convert other forms of energy into electrical energy and supply power to circuits or electronic equipment, and its principle is based on "magnetic power generation". Energy sources are diverse, such as renewable energy like water, wind, and solar energy, as well as energy generated by burning coal and oil residues. Common power supplies include dry batteries and household 110V-220V AC power supplies. Power supplies can be divided into many types according to different standards, such as DC and AC power supplies according to current type, power adapters, batteries, and generators according to function, linear and switching power supplies according to voltage stabilization type, and small and large power supplies according to power output.

[0003] However, the magnetic components of the internal circuit board of most existing power supplies are large in size, which occupies a large amount of space and limits the installation of other components, making circuit layout difficult. Due to insufficient space, it is difficult to arrange high-performance power devices, which further limits power improvement, ultimately resulting in low overall power of the power supply, and it is difficult to meet the high-power demand scenario. Therefore, we propose a small-size power supply power density improvement method and device based on integrated magnetic component technology. SUMMARY

[0004] One technical problem to be solved

[0005] To solve the problems of the prior art, the present application provides a small-size power supply power density improvement method and device based on integrated magnetic component technology, which solves the problem that the magnetic components of the internal circuit board of most existing power supplies are large in size, which occupies a large amount of space and limits the installation of other components, making circuit layout difficult. Due to insufficient space, it is difficult to arrange high-performance power devices, which further limits power improvement, ultimately resulting in low overall power of the power supply, and it is difficult to meet the high-power demand scenario.

[0006] Two technical solutions

[0007] In order to achieve the above object, the application is implemented by the following technical scheme: the small-size power supply power density improvement method and device based on integrated magnetic component technology, comprising a power supply shell, a circuit board and a stacking device, the circuit board is fixedly connected with the power supply shell, the stacking device is arranged on the surface of the circuit board, the stacking device comprises an outer frame, the outer frame is fixedly connected with the surface of the circuit board, the inner wall of the outer frame is fixedly connected with an intermediate frame, the surface of the intermediate frame is provided with a sliding groove, the first assembly plate is slidably connected with the surface of the intermediate frame, the second assembly plate is slidably connected with the end of the intermediate frame away from the first assembly plate, the first assembly plate and the second assembly plate are symmetrically arranged, the end of the first assembly plate and the second assembly plate is fixedly connected with a bent plate, the surface of the bent plate is provided with a hole one, the end of the intermediate frame close to the bent plate is fixedly connected with a lead screw, the lead screw is inserted into the hole one on the surface of the bent plate, the surface of the lead screw is threadedly connected with a knob, the knob is in contact with the bent plate, the magnetic component is installed on the slidable assembly plate in layers through the stacking device, the space utilization is realized, the horizontal occupied area is greatly reduced, the circuit board integration is improved, the magnetic component installation and disassembly do not need complex tools through the push-pull structure cooperating with the lead screw, the spring and the quick locking mechanism such as the buckle plate, the maintenance time is significantly shortened, the maintenance cost is reduced, the stacking design can also optimize the magnetic circuit layout, reduce the electromagnetic interference and improve the power supply stability.

[0008] Preferably, one end of the outer frame is provided with a clamping groove, the surface of the outer frame is sleeved with a buckle plate, one end of the outer frame close to the buckle plate is fixedly connected with a support, the surface of the support is rotatably connected with a limiting rod, the buckle plate is arranged to fix the limiting plate, so that the limiting plate can stably cooperate with the outer frame in the installed state, thereby realizing reliable locking of the stacking device.

[0009] Preferably, the limiting rod is arranged in an "L" shape, the limiting rod is in contact with the buckle plate, the surface of the limiting rod is sleeved with a torsional spring, the two ends of the torsional spring are respectively fixedly connected with the limiting rod and the support, when the buckle plate is sleeved with the outer frame by rotating the limiting plate, the torsional spring loses external restraint at the moment of releasing the limiting plate, the elastic potential energy accumulated by the torsional spring is immediately released, a reverse torsional force is generated to push the limiting rod to quickly rebound and tightly extrude the buckle plate, a stable abutting state is formed, so that the buckle plate cannot be separated from the outer frame under the action of external force, thereby firmly locking the assembly plate in the outer frame.

[0010] Preferably, one end of the outer frame is provided with a hole two, the inner wall of the hole two at one end of the outer frame is slidably connected with a supporting rod, one end of the supporting rod penetrates through the outer frame and is fixedly connected with a push plate, when maintenance is needed, the limiting rod is rotated and the buckle plate is removed, the knob is separated from the lead screw, the pressure spring releases the elastic force, the supporting rod is pulled to drive the push plate to smoothly push the assembly plate out of the outer frame, so that the magnetic component can be directly maintained and operated.

[0011] Preferably, the surface of the support rod is fixedly connected with a pressure spring, one end of the pressure spring away from the support rod is fixedly connected with the outer frame, by setting the pressure spring, when the rotation limiting rod is rotated and the buckle plate is removed, and the bent plate is separated from the screw rod after the knob is rotated, the pressure spring originally in the compressed state loses the restraint, the elastic force of the pressure spring will pull the support rod, and the push plate will push the assembly plate out of the outer frame, so that the maintenance operation of the magnetic device is quickly unfolded, and the convenience and efficiency of equipment maintenance are effectively improved.

[0012] Preferably, one side of the outer frame is provided with a threading device, the threading device comprises a guide rail, the guide rail is fixedly connected with one side of the outer frame, one end of the outer frame close to the guide rail is provided with a strip-shaped opening, the surface of the guide rail is slidably connected with a square plate, the surface of the square plate is fixedly connected with a comb plate, the surface of the comb plate is rotatably connected with a roller, and the surface of the comb plate is fixedly connected with a threaded block, by setting the threading device, the power cord is orderly combed and positioned by using the comb plate and the roller structure, the line cross winding is reduced, the short circuit risk is reduced, the design that the roller can move with the line converts the sliding friction into the rolling friction, the abrasion of the insulation layer in the pulling process is greatly reduced, and the service life of the cable is prolonged.

[0013] Preferably, the inner wall of the threaded block is provided with threads, one end of the outer frame close to the comb plate is rotatably connected with a friction wheel, the surface of the friction wheel is fixedly connected with a bidirectional threaded rod, and the bidirectional threaded rod is in threaded connection with the threaded block, by setting the bidirectional threaded rod, the bidirectional threaded rod is rotated by rotating the friction wheel, the positive and negative thread structure is used to drive the two threaded blocks to move synchronously towards or away from each other, so that the comb plate smoothly slides along the guide rail, automatic combing and positioning of power cords of different specifications are realized, uniform distribution of each line and reliable contact with the roller are ensured, abrasion of the power cord is reduced by rolling of the roller when the power cord is pulled, and the line management efficiency and equipment stability are effectively improved.

[0014] Preferably, the surface of the outer frame is provided with a heat dissipation device, the heat dissipation device comprises air guide holes, the air guide holes are arranged on the lower surface of the outer frame, the surfaces of the intermediate frame, the first assembly plate and the second assembly plate are provided with heat dissipation holes, and the upper surface of the outer frame is fixedly connected with fins, by setting the heat dissipation device, a natural convection and forced air cooling combined mode is adopted, cold air is guided into the air guide holes, the fins are matched to increase the heat dissipation area, the heat of the magnetic device is efficiently absorbed, the motor drives the fan blades to accurately guide the airflow to the heat concentration area through the air pipe and the hollow pipe, a directional circulating air duct is formed, and the heat exchange efficiency is strengthened, the active and passive heat dissipation cooperative design can effectively control the working temperature of the high-power magnetic device without increasing too much energy consumption, prevents performance degradation and component aging caused by overheating, and ensures that the power supply can continuously and stably operate in a compact space.

[0015] Preferably, one side of the outer frame is fixedly connected with an air pipe, one end of the air pipe is fixedly connected with a round sleeve, the surface of the round sleeve is fixedly connected with a connecting rod, the surface of the connecting rod is fixedly connected with a motor, the driving end of the motor penetrates through the connecting rod and is fixedly connected with a fan blade, the end of the air pipe away from the motor is fixedly connected with a hollow pipe, the hollow pipe is communicated with the air pipe, the end of the hollow pipe close to the fin is provided with an air outlet hole, the air outlet hole corresponds to the position of the fin, the hollow pipe is arranged along the fin array direction, and the pipe wall is provided with uniformly distributed air injection holes, so that the airflow can be sprayed to each part of the fin in a controllable manner, and the local convective heat exchange efficiency is enhanced.

[0016] Preferably, S1, when installing the bulk magnetic element on the circuit board, the first assembly plate and the second assembly plate are pulled out, then the magnetic element is fixed above the first assembly plate and below the second assembly plate through bolts, and the installed assembly plate is pushed back into the outer frame, when the lead screw is inserted into the bent plate, the bent plate is fixed on the lead screw through the knob, the limiting plate is rotated, the buckle plate is sleeved with the outer frame, then the limiting plate is loosened, the torsion spring is no longer constrained to generate elastic force to press the limiting rod and the buckle plate, the installation is completed, and the magnetic element stack is installed together to reduce the occupied circuit board space, when maintenance is needed, the limiting rod is rotated and the buckle plate is removed, then the corresponding knob is rotated to be separated from the lead screw, the pressure spring generates elastic force to pull the supporting rod to cooperate with the push plate to push out the assembly plate, and the maintenance can be performed.

[0017] S2, after the magnetic element assembly is completed, the power line is electrically connected with the magnetic element through the strip-shaped hole, and after the power line is connected, the friction wheel is rotated, the friction wheel drives the bidirectional threaded rod to rotate, the bidirectional threaded rod rotates and cooperates with the threaded block to drive the comb plate to move along the guide rail, and the power line is placed in the slot corresponding to the comb plate one by one and abuts against the roller manually, when the power line is pulled and moved, the roller is rotated, and the abrasion of the power line is reduced.

[0018] S3, when the equipment works, the magnetic element generates heat, at this time, external airflow enters the outer frame through the air guide hole, the heat in the outer frame is guided to the fin along with the airflow passing through the intermediate frame and the first assembly plate and the second assembly plate, then the motor is started, the motor drives the fan blade to rotate, the fan blade rotates and drives the airflow to enter the air pipe and be sprayed on the fin through the hollow pipe, and the fin is cooled.

[0019] In summary, the technical effects and advantages of the present application are as follows:

[0020] 1. In this invention, by setting up a stacking device, magnetic components are installed in layers on a sliding assembly plate, realizing three-dimensional space utilization, greatly reducing the horizontal area occupied, improving the integration of the circuit board, and the push-pull structure combined with a quick locking mechanism such as a lead screw, spring and buckle plate, so that the installation and removal of magnetic components do not require complicated tools, significantly shortening the maintenance time and reducing maintenance costs. The stacking design can also optimize the magnetic circuit layout, reduce electromagnetic interference and improve power supply stability.

[0021] 2. In this invention, by setting up a threading device, the power cord is orderly sorted and positioned using a comb plate and roller structure, reducing the cross-entanglement of the line and reducing the risk of short circuit. The design of the roller that can move with the line converts sliding friction into rolling friction, which greatly reduces the wear of the insulation layer during the pulling process and extends the cable life.

[0022] 3. In this invention, by setting up a heat dissipation device, a combination of natural convection and forced air cooling is adopted. The air vents guide cold air in, and the fins increase the heat dissipation area, efficiently absorbing the heat of the magnetic components. The motor drives the fan blades to precisely guide the airflow to the concentrated heat area through the air pipe and hollow tube, forming a directional circulating air duct, which enhances the heat exchange efficiency. This design of active and passive heat dissipation can effectively control the operating temperature of high-power magnetic components without increasing excessive energy consumption, preventing performance degradation and component aging caused by overheating, and ensuring that the power supply can operate continuously and stably in a compact space. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the method and device for improving the power density of a small-volume power supply based on integrated magnetic component technology according to the present invention.

[0024] Figure 2 This is a schematic diagram of the outer frame structure of the method and device for improving the power density of a small-volume power supply based on integrated magnetic component technology according to the present invention.

[0025] Figure 3 This is a schematic diagram of the stacking device structure of the method and apparatus for improving the power density of small-volume power supplies based on integrated magnetic component technology according to the present invention.

[0026] Figure 4 This invention relates to a method and apparatus for improving the power density of small-volume power supplies based on integrated magnetic component technology. Figure 3 A magnified structural diagram at point A;

[0027] Figure 5 This is a schematic cross-sectional view of the outer frame of the method and device for improving the power density of a small-volume power supply based on integrated magnetic component technology according to the present invention.

[0028] Figure 6 This invention relates to a method and apparatus for improving the power density of small-volume power supplies based on integrated magnetic component technology. Figure 5 A magnified structural diagram at point B;

[0029] Figure 7 Structure diagram of threading device of the small-size power supply power density improvement method and device based on integrated magnetic component technology;

[0030] Figure 8 Structure diagram of heat dissipation device of the small-size power supply power density improvement method and device based on integrated magnetic component technology.

[0031] In the figure: 1, power supply shell; 2, circuit board; 3, stacking device; 31, outer frame; 32, middle frame; 33, first assembly plate; 34, second assembly plate; 35, bent plate; 36, knob; 37, screw rod; 38, bracket; 39, limiting rod; 310, torsion spring; 311, buckle plate; 312, push plate; 313, support rod; 314, pressure spring; 4, threading device; 41, strip-shaped port; 42, guide rail; 43, comb plate; 44, roller; 45, bidirectional threaded rod; 46, friction wheel; 47, threaded block; 48, square plate; 5, heat dissipation device; 51, air guide hole; 52, fin; 53, hollow pipe; 54, air pipe; 55, motor; 56, round sleeve; 57, fan blade; 58, connecting rod. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0033] Reference Figures 1-8The small volume power supply power density improvement method and device based on the integrated magnetic component technology shown, including a power supply shell 1, a circuit board 2 and a stacking device 3, the circuit board 2 is fixedly connected with the power supply shell 1, the stacking device 3 is arranged on the surface of the circuit board 2, the stacking device 3 includes an outer frame 31, the outer frame 31 is fixedly connected with the surface of the circuit board 2, the inner wall of the outer frame 31 is fixedly connected with an intermediate frame 32, the surface of the intermediate frame 32 is provided with a sliding groove, the surface of the intermediate frame 32 is slidably connected with a first assembly plate 33, the end of the intermediate frame 32 away from the first assembly plate 33 is slidably connected with a second assembly plate 34, the first assembly plate 33 and the second assembly plate 34 are symmetrically arranged, one end of the first assembly plate 33 and the second assembly plate 34 is fixedly connected with a bent plate 35, the surface of the bent plate 35 is provided with a hole one, one end of the intermediate frame 32 close to the bent plate 35 is fixedly connected with a lead screw 37, the lead screw 37 is inserted into the hole one on the surface of the bent plate 35, the surface of the lead screw 37 is threadedly connected with a knob 36, the knob 36 is in contact with the bent plate 35, by arranging the stacking device 3, the magnetic components are installed in layers on the slidable assembly plate, the space utilization is realized, the horizontal occupied area is greatly reduced, the integration of the circuit board 2 is improved, the push-pull structure cooperates with the lead screw 37, the spring and the fast locking mechanism such as the buckle plate 311, so that the magnetic component installation and disassembly do not need complex tools, the maintenance time is significantly shortened, the maintenance cost is reduced, the stacking design can also optimize the magnetic circuit layout, reduce electromagnetic interference and improve the stability of the power supply.

[0034] Wherein, one end of the outer frame 31 is provided with a clamping groove, the surface of the outer frame 31 is sleeved with a buckle plate 311, one end of the outer frame 31 close to the buckle plate 311 is fixedly connected with a support 38, the surface of the support 38 is rotatably connected with a limiting rod 39, by arranging the buckle plate 311, the limiting plate is fixed, so that the limiting plate can stably cooperate with the outer frame 31 in the installed state, thereby realizing reliable locking of the stacking device 3.

[0035] Wherein, the limiting rod 39 is arranged in an "L" shape, the limiting rod 39 is in contact with the buckle plate 311, the surface of the limiting rod 39 is sleeved with a torsional spring 310, the two ends of the torsional spring 310 are respectively fixedly connected with the limiting rod 39 and the support 38, by arranging the torsional spring 310, when the limiting plate is rotated to make the buckle plate 311 sleeved with the outer frame 31, in the instant of loosening the limiting plate, the torsional spring 310 loses external restraint, the elastic potential energy accumulated therein is immediately released, generates a reverse torsional force to push the limiting rod 39 to quickly rebound and tightly extrude the buckle plate 311, forms a stable abutting state, ensures that the buckle plate 311 will not be separated from the outer frame 31 under external force, thereby firmly locking the assembly plate in the outer frame 31.

[0036] One end of the outer frame 31 is provided with hole two, the inner wall of the hole two of the one end of the outer frame 31 is slidably connected with the supporting rod 313, one end of the supporting rod 313 penetrates the outer frame 31 and is fixedly connected with the push plate 312, by setting the supporting rod 313, when maintenance is needed, rotate the limiting rod 39 and remove the buckle plate 311, after the knob 36 is separated from the screw rod 37, the pressure spring 314 releases the elastic force, pulls the supporting rod 313 to drive the push plate 312 to smoothly push the assembly plate out of the outer frame 31, which is convenient for directly maintaining and operating the magnetic component.

[0037] The surface of the supporting rod 313 is fixedly connected with the pressure spring 314, one end of the pressure spring 314 away from the supporting rod 313 is fixedly connected with the outer frame 31, by setting the pressure spring 314, when the limiting rod 39 is rotated and the buckle plate 311 is removed, and the bent plate 35 is rotated to separate from the screw rod 37, the pressure spring 314 originally in the compressed state loses the restraint, its elastic force will pull the supporting rod 313, and cooperate with the push plate 312 to push the assembly plate out of the outer frame 31, so as to quickly expand the maintenance and operation of the magnetic component, effectively improve the convenience and efficiency of equipment maintenance.

[0038] One side of the outer frame 31 is provided with a threading device 4, the threading device 4 includes a guide rail 42, the guide rail 42 is fixedly connected with one side of the outer frame 31, one end of the outer frame 31 close to the guide rail 42 is provided with a strip-shaped opening 41, the surface of the guide rail 42 is slidably connected with a square plate 48, the surface of the square plate 48 is fixedly connected with a comb plate 43, the surface of the comb plate 43 is rotatably connected with a roller 44, and the surface of the comb plate 43 is fixedly connected with a threaded block 47, by setting the threading device 4, the power line is orderly combed and positioned by using the comb plate 43 and the roller 44 structure, the line crossing and winding is reduced, the short circuit risk is reduced, the design that the roller 44 can move with the line converts sliding friction into rolling friction, which greatly reduces the abrasion of the insulation layer in the pulling process, prolongs the service life of the cable.

[0039] The inner wall of the threaded block 47 is provided with a thread, one end of the outer frame 31 close to the comb plate 43 is rotatably connected with a friction wheel 46, the surface of the friction wheel 46 is fixedly connected with a bidirectional threaded rod 45, and the bidirectional threaded rod 45 is screwedly connected with the threaded block 47, by setting the bidirectional threaded rod 45, rotating the friction wheel 46 drives the bidirectional threaded rod 45 to rotate, and the positive and negative threaded structure is used to drive the two threaded blocks 47 to move synchronously towards or away from each other, so that the comb plate 43 smoothly slides along the guide rail 42, realizing automatic combing and positioning of power lines of different specifications, ensuring that the lines are evenly distributed and reliably contacted with the roller 44, and reducing abrasion through rolling of the roller 44 when the power line is pulled, effectively improving the line management efficiency and equipment stability.

[0040] The surface of the outer frame 31 is provided with a heat dissipation device 5, the heat dissipation device 5 comprises a gas guide hole 51, the gas guide hole 51 is arranged on the lower surface of the outer frame 31, the surfaces of the intermediate frame 32, the first assembly plate 33 and the second assembly plate 34 are provided with heat dissipation holes, and the upper surface of the outer frame 31 is fixedly connected with fins 52. By arranging the heat dissipation device 5, a natural convection and forced air cooling combined mode is adopted, the gas guide hole 51 guides cold air to enter, and the fins 52 increase the heat dissipation area, so that the heat of the magnetic component is efficiently absorbed. The motor 55 drives the fan blade 57 to accurately guide the airflow to the heat concentration area through the air pipe 54 and the hollow pipe 53, forms a directional circulating air duct, and strengthens the heat exchange efficiency. The active and passive heat dissipation cooperative design can effectively control the working temperature of the high-power magnetic component without increasing too much energy consumption, prevents performance degradation and component aging caused by overheating, and ensures that the power supply can continuously and stably operate in a compact space.

[0041] The outer frame 31 is fixedly connected with an air pipe 54 on one side, one end of the air pipe 54 is fixedly connected with a round sleeve 56, the surface of the round sleeve 56 is fixedly connected with a connecting rod 58, the surface of the connecting rod 58 is fixedly connected with a motor 55, the driving end of the motor 55 penetrates through the connecting rod 58 and is fixedly connected with a fan blade 57, one end of the air pipe 54 away from the motor 55 is fixedly connected with a hollow pipe 53, the hollow pipe 53 is communicated with the air pipe 54, and one end of the hollow pipe 53 close to the fins 52 is provided with an air outlet hole. The air outlet hole corresponds to the position of the fins 52. By arranging the hollow pipe 53, the cooling airflow generated by the motor 55 driving the fan blade 57 is guided to the surface of the fins 52 in the magnetic component stacking area from the air pipe 54. The hollow pipe 53 is arranged along the array direction of the fins 52, and the pipe wall is provided with uniformly distributed air injection holes, so that the airflow can be sprayed to each part of the fins 52 in a controllable manner, and the local convective heat exchange efficiency is enhanced.

[0042] The working principle of the present application is as follows: by arranging the stacking device 3, when installing the bulk magnetic component on the circuit board 2, the first assembly plate 33 and the second assembly plate 34 are pulled out, then the magnetic component is fixed on the upper side of the first assembly plate 33 and the lower side of the second assembly plate 34 through bolts, and the installed assembly plate is pushed back into the outer frame 31. When the screw rod 37 is inserted into the bent plate 35, the bent plate 35 is fixed on the screw rod 37 through the knob 36, and the limiting plate is rotated. The buckle plate 311 is sleeved with the outer frame 31, then the limiting plate is loosened, the torsion spring 310 loses the restraint and generates elastic force to press the limiting rod 39 and the buckle plate 311 to complete the installation. At the same time, the magnetic component stacking is installed together to reduce the occupied space of the circuit board 2. When maintenance is needed, the limiting rod 39 is rotated and the buckle plate 311 is removed, then the corresponding knob 36 is rotated to be separated from the screw rod 37, the pressure spring 314 generates elastic force to pull the supporting rod 313 to cooperate with the push plate 312 to push out the assembly plate, and then the maintenance can be carried out.

[0043] By setting the threading device 4, after the magnetic assembly is completed, the power cord is threaded through the strip-shaped port 41 and electrically connected with the magnetic assembly, and after the power cord is connected, the friction wheel 46 is rotated, the friction wheel 46 drives the bidirectional threaded rod 45 to rotate, the bidirectional threaded rod 45 rotates while cooperating with the threaded block 47 to drive the comb plate 43 to move along the guide rail 42, and the power cord is manually placed in the corresponding groove of the comb plate 43 and abuts against the roller 44, when the power cord is pulled and moved, the roller 44 rotates, reducing the abrasion of the power cord;

[0044] By setting the heat dissipation device 5, when the equipment works, the magnetic assembly generates heat, at this time, the external airflow enters the outer frame 31 through the air guide hole 51, the heat in the outer frame 31 rises with the airflow and passes through the middle frame 32, the first assembly plate 33 and the second assembly plate 34, guiding the heat to the fin 52, then the motor 55 is started, the motor 55 drives the fan blade 57 to rotate, the fan blade 57 rotates while driving the airflow to enter the air pipe 54, pass through the hollow pipe 53 and spray on the fin 52, assisting the fin 52 to cool down.

[0045] The electrical components appearing in the text are all connected with the main controller and 220V mains, and the main controller can be a computer or other conventional known device that can be controlled.

[0046] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A small volume power supply power density boosting device based on integrated magnetic components technology, comprising a power supply housing (1), a circuit board (2) and a stacking device (3), characterized in that: The circuit board (2) is fixedly connected with the power shell (1), the stacking device (3) is arranged on the surface of the circuit board (2), the stacking device (3) comprises an outer frame (31), the outer frame (31) is fixedly connected with the surface of the circuit board (2), the inner wall of the outer frame (31) is fixedly connected with an intermediate frame (32), the surface of the intermediate frame (32) is provided with a sliding groove, the surface of the intermediate frame (32) is slidably connected with a first assembly plate (33), the end of the intermediate frame (32) away from the first assembly plate (33) is slidably connected with a second assembly plate (34), the first assembly plate (33) and the second assembly plate (34) are symmetrically arranged, one end of the first assembly plate (33) and the second assembly plate (34) is fixedly connected with a bent plate (35), the surface of the bent plate (35) is provided with a hole one, one end of the intermediate frame (32) close to the bent plate (35) is fixedly connected with a lead screw (37), the lead screw (37) is inserted into the hole one on the surface of the bent plate (35), the surface of the lead screw (37) is threadedly connected with a knob (36), and the knob (36) is in contact with the bent plate (35).

2. The small volume power supply power density boosting device based on integrated magnetic component technology according to claim 1, characterized in that: One end of the outer frame (31) is provided with a clamping groove, the surface of the outer frame (31) is sleeved with a buckle plate (311), one end of the outer frame (31) close to the buckle plate (311) is fixedly connected with a support (38), and the surface of the support (38) is rotatably connected with a limiting rod (39).

3. The small volume power supply power density boosting device based on integrated magnetic component technology according to claim 2, characterized in that: The limiting rod (39) is arranged in an "L" shape, the limiting rod (39) is in contact with the buckle plate (311), the surface of the limiting rod (39) is sleeved with a torsion spring (310), and the two ends of the torsion spring (310) are fixedly connected with the limiting rod (39) and the support (38) respectively.

4. The small volume power supply power density boosting device based on integrated magnetic component technology according to claim 3, characterized in that: One end of the outer frame (31) is provided with a hole two, the inner wall of the hole two of one end of the outer frame (31) is slidably connected with a supporting rod (313), and one end of the supporting rod (313) penetrates through the outer frame (31) and is fixedly connected with a push plate (312).

5. The small volume power supply power density boosting device based on integrated magnetic component technology according to claim 4, characterized in that: The surface of the supporting rod (313) is fixedly connected with a pressure spring (314), and one end of the pressure spring (314) away from the supporting rod (313) is fixedly connected with the outer frame (31).

6. The small volume power supply power density boosting device based on integrated magnetic component technology of claim 1, wherein: One side of the outer frame (31) is provided with a threading device (4), the threading device (4) comprises a guide rail (42), the guide rail (42) is fixedly connected with one side of the outer frame (31), one end of the outer frame (31) close to the guide rail (42) is provided with a strip-shaped port (41), the surface of the guide rail (42) is slidably connected with a square plate (48), the surface of the square plate (48) is fixedly connected with a comb plate (43), the surface of the comb plate (43) is rotatably connected with a roller (44), and the surface of the comb plate (43) is fixedly connected with a threaded block (47).

7. The small volume power supply power density boosting device based on integrated magnetic component technology according to claim 6, characterized in that: The inner wall of the threaded block (47) is provided with threads, one end of the outer frame (31) is rotatably connected with a friction wheel (46), the surface of the friction wheel (46) is fixedly connected with a bidirectional threaded rod (45), and the bidirectional threaded rod (45) is in threaded connection with the threaded block (47).

8. The small volume power supply power density boosting device based on integrated magnetic component technology of claim 1, wherein: The surface of the outer frame (31) is provided with a heat dissipation device (5), the heat dissipation device (5) comprises air guide holes (51) formed in the lower surface of the outer frame (31), the surfaces of the intermediate frame (32), the first assembly plate (33) and the second assembly plate (34) are all provided with heat dissipation holes, and the upper surface of the outer frame (31) is fixedly connected with fins (52).

9. The small volume power supply power density boosting device based on integrated magnetic component technology according to claim 8, characterized in that: One side of the outer frame (31) is fixedly connected with an air pipe (54), one end of the air pipe (54) is fixedly connected with a round sleeve (56), the surface of the round sleeve (56) is fixedly connected with a connecting rod (58), the surface of the connecting rod (58) is fixedly connected with a motor (55), the driving end of the motor (55) penetrates through the connecting rod (58) and is fixedly connected with a fan blade (57), the end of the air pipe (54) away from the motor (55) is fixedly connected with a hollow pipe (53), the hollow pipe (53) is in communication with the air pipe (54), the end of the hollow pipe (53) close to the fins (52) is provided with an air outlet hole, and the air outlet hole corresponds to the position of the fins (52).

10. The method for improving the power density of a small-size power supply based on the integrated magnetic component technology according to any one of claims 1-9, characterized in that: S1, when installing the bulk magnetic component on the circuit board (2), the first assembly plate (33) and the second assembly plate (34) are pulled out, then the magnetic component is fixed above the first assembly plate (33) and below the second assembly plate (34) through bolts, the assembly plate is pushed back into the outer frame (31), when the lead screw (37) is inserted into the bent plate (35), the bent plate (35) is fixed on the lead screw (37) through the knob (36), the limiting plate is rotated, the buckle (311) is sleeved with the outer frame (31), then the limiting plate is loosened, the torsion spring (310) is released to generate elastic force to press the limiting rod (39) and the buckle (311) to complete the installation, at the same time, the magnetic component stack is installed together to reduce the occupied space of the circuit board (2), when maintenance is needed, the limiting rod (39) is rotated and the buckle (311) is removed, then the corresponding knob (36) is rotated to separate from the lead screw (37), the pressure spring (314) generates elastic force to pull the supporting rod (313) to cooperate with the push plate (312) to push out the assembly plate, and the maintenance can be performed. S2, after the magnetic assembly is completed, the power cord is connected with the magnetic element through the strip-shaped hole (41), and after the power cord is connected, the friction wheel (46) is rotated, the friction wheel (46) drives the bidirectional threaded rod (45) to rotate, the bidirectional threaded rod (45) rotates at the same time, the threaded block (47) drives the comb plate (43) to move along the guide rail (42), and the power cord is placed in the corresponding slot of the comb plate (43) and abuts against the roller (44) by hand, when the power cord is pulled and moved, the roller (44) rotates, reducing the wear of the power cord; S3, when the device works, the magnetic element generates heat, at this time, the external airflow enters the outer frame (31) through the air guide hole (51), the heat in the outer frame (31) rises along with the airflow, passes through the middle frame (32), the first assembly plate (33) and the second assembly plate (34), guides the heat to the fin (52), and then starts the motor (55), the motor (55) drives the fan blade (57) to rotate, the fan blade (57) rotates at the same time, drives the airflow to enter the air pipe (54), passes through the hollow pipe (53) and sprays on the fin (52), assists the fin (52) to cool down.

Images