Power supply filter with efficient heat dissipation structure

Abstract

The utility model discloses a power supply filter with a high-efficiency heat dissipation structure, which relates to the field of power supply filters, and is characterized in that the power supply filter comprises a shell, ventilation openings are formed in two parallel side walls of the shell, a heat dissipation assembly is installed in the shell, the heat dissipation assembly is arranged between the two ventilation openings, the heat dissipation assembly is provided with an installation seat, and the installation seat is connected with the shell. Limiting rods are slidably arranged on the periphery of the mounting base, a plurality of elastic parts are annularly arrayed on the mounting base and provided with elastic parts pushing the limiting rods to slide towards the mounting base, and pulling plates are arranged on the end sides, away from the elastic parts, of the limiting rods. According to the utility model, the periphery of the mounting seat of the heat dissipation assembly is connected with the limiting rods through the tension springs, and the limiting rods are arranged corresponding to the side walls of the components needing heat dissipation, so that the effect of centering and positioning when the heat dissipation assembly is mounted is achieved.

Description

Technical Field

[0001] The utility model relates to the field of power supply filters, and more specifically, to a power supply filter with a high-efficiency heat dissipation structure. Background Art

[0002] The power supply filter is a filter circuit composed of capacitors, inductors and resistors. It is a passive bidirectional network with a power supply at one end and a load at the other end. The greater the impedance adaptation between the input and output sides of the power supply filter and the power supply and load sides, the more effective it is in attenuating electromagnetic interference.

[0003] Existing power filters are generally equipped with radiators, but the radiators need to be disassembled for repair or maintenance after a long period of use. When the radiator is installed again after repair or maintenance, if the radiator cannot correspond to the heat concentration area of ​​the main heat-generating components, the heat dissipation effect will be reduced, which will affect the protection of the power filter to the circuit and increase the risk of damage to the power filter.

[0004] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a power filter with an efficient heat dissipation structure, by connecting limit rods through tension springs around the mounting base of the heat dissipation component, and setting the limit rods corresponding to the side walls of the components that need heat dissipation, so as to achieve the effect of centering when installing the heat dissipation component.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a power supply filter with an efficient heat dissipation structure, including a shell, two side walls of the shell parallel to each other are provided with vents, a heat dissipation component is installed in the shell, the heat dissipation component is arranged between the two vents, the heat dissipation component is provided with a mounting seat, and limit rods are slidably arranged around the mounting seat, a plurality of elastic parts are arranged in a circular array on the mounting seat, the elastic part has an elastic part that pushes the limit rod to slide toward the mounting seat, and a pull plate is provided on the end side of the limit rod away from the elastic part.

[0007] Preferably, a mounting rod is fixedly provided on the end side of the limiting rod away from the elastic member, a vertical through slot is formed on the mounting rod, and the pulling plate is slidably arranged in the through slot.

[0008] Preferably, a heat sink is provided on the mounting base, a heat sink is provided above the heat sink, a removable cover is provided on one side of the shell, the cover corresponds to the heat sink fan, an air outlet is opened on the cover, and the air outlet is provided corresponding to the heat sink fan.

[0009] Preferably, a C-shaped mounting plate is arranged around the vent, and a filter screen is clamped inside the C-shaped mounting plate.

[0010] Preferably, the filter net is surrounded by a fixing frame, a limiting plate is provided at one end of the fixing frame, a clamping groove is provided on the C-shaped mounting plate, a chamfer corresponding to the limiting plate is provided at the end of the clamping groove, the limiting plate is provided with a rounded corner corresponding to the clamping groove, a threaded hole is provided on the side wall of the clamping groove, and a fixing screw corresponding to the limiting plate is provided in the threaded hole.

[0011] Preferably, the elastic member is a tension spring.

[0012] The utility model has the following beneficial effects:

[0013] When the cooling fan is started, the cooling fan blows the hot air emitted by the heat sink to the air outlet, and the air enters the shell through the vents. This achieves the effect of air flow inside the shell, increasing the heat dissipation effect of the power filter. After a long period of use, the filter can be removed by turning the fixing screws for replacement and maintenance to maintain the ventilation effect. When the heat dissipation component is disassembled and maintained for a long time, when it is reinstalled, the limit rod is pulled to make the installation rod on the limit rod correspond to the side wall of the required heat dissipation component, and the pull plate is pushed together with the component clamp, thereby achieving the effect of fixing the heat dissipation component, so that the heat dissipation component corresponds to the center of the required heat dissipation component. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when the cover plate is in a hidden state;

[0016] Figure 3 This is a schematic diagram of the structure of the heat dissipation component of the utility model;

[0017] Figure 4 It is an exploded view of the heat dissipation component of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the C-shaped mounting plate and the filter screen of the utility model;

[0019] Figure 6 It is an exploded view of the C-shaped mounting plate and the filter screen of the utility model.

[0020] In the figure: 1. Shell; 2. Ventilation port; 3. Heat dissipation assembly; 4. Mounting seat; 5. Limit rod; 6. Elastic member; 7. Pull plate; 8. Mounting rod; 9. Through slot; 10. Heat sink; 11. Cooling fan; 12. Cover plate; 13. Air outlet; 14. C-shaped mounting plate; 15. Filter; 16. Fixing frame; 17. Limit plate; 18. Snap-in slot; 19. Chamfer; 20. Fillet; 21. Threaded hole; 22. Fixing screw. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] A power filter with an efficient heat dissipation structure, such as Figures 1 to 6 As shown, it includes a shell 1 and a cover plate 12 , and vents 2 are provided on two parallel side walls of the shell 1 , and a heat dissipation component 3 is installed in the shell 1 , and the heat dissipation component 3 is arranged between the two vents 2 .

[0023] refer to Figure 3 and Figure 4 As shown: the heat dissipation component 3 includes a mounting seat 4, and the mounting seat 4 is provided with sliding grooves all around. A limit rod 5 is slidably connected in the sliding groove, and a mounting rod 8 is integrally formed on the end side of the limit rod 5. A through groove 9 is provided on the mounting rod 8, and a pull plate 7 is slidably connected in the through groove 9. An elastic member 6 is fixedly connected in the sliding groove by bolts, and the elastic member 6 is a tension spring, and the tension spring is fixedly connected to the limit rod 5.

[0024] By connecting the limiting rod 5 around the mounting seat 4 of the heat dissipation component 3 through a tension spring, the limiting rod 5 is pulled so that the mounting rod 8 on the limiting rod 5 corresponds to the side wall of the required heat dissipation component, and the pulling plate 7 is pushed and clamped together with the component, thereby achieving the effect of fixing the heat dissipation component 3, so that the heat dissipation component 3 corresponds to the center part of the required heat dissipation component.

[0025] refer to Figure 3 and Figure 4 As shown: a heat sink 10 is connected to the mounting seat 4 by bolts, a heat sink fan 11 is installed above the heat sink 10 by a mounting frame, a detachable cover plate 12 is provided on one side of the shell 1, the cover plate 12 corresponds to the heat sink fan 11, an air outlet 13 is opened on the cover plate 12, and the air outlet 13 is provided corresponding to the heat sink fan 11.

[0026] When the cooling fan 11 is started, the cooling fan 11 blows the hot air emitted by the heat sink 10 to the air outlet 13, and the air enters the housing 1 through the vent hole, thereby achieving the effect of air flow inside the housing 1 and increasing the heat dissipation effect of the power filter.

[0027] refer to Figure 5 and Figure 6 As shown: the vent 2 is fixedly connected with a C-shaped mounting plate 14 by bolts on all sides, a clamping groove 18 is opened at the end of the C-shaped mounting plate 14, a filter screen 15 is clamped in the C-shaped mounting plate 14, and the filter screen 15 is fixed on a fixing frame 16, and a limiting plate 17 corresponding to the clamping groove 18 is arranged at one end of the fixing frame 16, a chamfer 19 corresponding to the limiting plate 17 is arranged at the end of the clamping groove 18, and a fillet 20 corresponding to the clamping groove 18 is arranged on the side wall of the clamping groove 18, and a fixing screw 22 corresponding to the limiting plate 17 is arranged in the threaded hole 21.

[0028] A filter 15 is clamped at the vent 2, and an outer fixing frame 16 of the filter 15 corresponds to the clamping groove 18 through a limiting plate 17, so that the fillet 20 and the chamfer 19 of the limiting plate 17 are pressed against each other, so that the filter 15 is completely fitted with the shell 1, and then the fixing screws are rotated so that the fixing screws fix the fixing frame 16 on the shell 1 to prevent excessive dust in the air from entering the shell 1. After a long period of use, the filter 15 is disassembled for maintenance to maintain the ventilation effect.

[0029] Working principle:

[0030] When the cooling fan 11 is started, the cooling fan 11 blows the hot air emitted by the heat sink 10 to the air outlet 13, and the air enters the housing 1 through the vent hole. Then the air flow effect inside the housing 1 is achieved, and the heat dissipation effect of the power filter is increased. After a long time of use, the filter 15 is removed by turning the fixing screws for replacement and maintenance to maintain the ventilation effect. When the heat dissipation component 3 is disassembled and maintained for a long time, when it is reinstalled, the limiting rod 5 is pulled so that the mounting rod 8 on the limiting rod 5 corresponds to the side wall of the required heat dissipation component, and the pull plate 7 is pushed to be clamped together with the component, thereby achieving the effect of fixing the heat dissipation component 3 so that the heat dissipation component 3 corresponds to the center of the required heat dissipation component.

[0031] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A power filter with a high-efficiency heat dissipation structure, comprising a housing (1), characterized in that: The shell (1) has two parallel side walls each provided with ventilation holes (2). A heat dissipation assembly (3) is installed in the shell (1). The heat dissipation assembly (3) is arranged between the two ventilation holes (2). The heat dissipation assembly (3) is provided with a mounting seat (4). Limiting rods (5) are slidably arranged around the mounting seat (4). A plurality of elastic members (6) are arranged in a circular array on the mounting seat (4). The elastic member (6) has an elastic member (6) for pushing the limiting rod (5) to slide toward the mounting seat (4). A pull plate (7) is provided on the end of the limiting rod (5) away from the elastic member (6).

2. The power filter with high-efficiency heat dissipation structure according to claim 1, characterized in that: A mounting rod (8) is fixedly arranged on the end side of the limiting rod (5) away from the elastic member (6), a vertical through slot (9) is provided on the mounting rod (8), and the pulling plate (7) is slidably arranged in the through slot (9).

3. The power filter with high-efficiency heat dissipation structure according to claim 2, characterized in that: A heat sink (10) is arranged on the mounting seat (4), a heat sink fan (11) is arranged above the heat sink (10), a detachable cover plate (12) is arranged on one side of the housing (1), the cover plate (12) corresponds to the heat sink fan (11), an air outlet (13) is opened on the cover plate (12), and the air outlet (13) is arranged corresponding to the heat sink fan (11).

4. The power filter with a high-efficiency heat dissipation structure according to claim 3, characterized in that: The ventilation opening (2) is provided with a C-shaped mounting plate (14) around it, and a filter screen (15) is clamped inside the C-shaped mounting plate (14).

5. The power filter with a high-efficiency heat dissipation structure according to claim 4, characterized in that: The filter screen (15) is provided with a fixing frame (16) around it, a limiting plate (17) is provided at one end of the fixing frame (16), a clamping groove (18) is provided on the C-shaped mounting plate (14), a chamfer (19) corresponding to the limiting plate (17) is provided at the end of the clamping groove (18), the limiting plate (17) is provided with a rounded corner (20) corresponding to the clamping groove (18), a threaded hole (21) is provided on the side wall of the clamping groove (18), and a fixing screw (22) corresponding to the limiting plate (17) is provided in the threaded hole (21).

6. The power filter with a high-efficiency heat dissipation structure according to claim 5, characterized in that: The elastic member (6) is a tension spring.

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