Capacitor with protective housing

Abstract

A capacitor with a protective housing, comprising a capacitor body, characterized in that symmetrically arranged connecting pins are fixedly attached to the upper end of the capacitor body on the left and right, a fixed outer housing is movably attached to the outside of the lower end of the capacitor body, a graphitic thermal interface material is fixedly attached to the inside of the fixed outer housing, a limiting seat is fixedly attached to the upper end of the inner base of the graphitic thermal interface material, in which step recesses are formed, a damping pad is fixedly attached to the lower end of the fixed outer housing, thermal grease is firmly applied to both front and rear ends of the fixed outer housing, cooling fins are fixedly attached outside the thermal grease, and an insertion recess is formed at the upper end of the fixed outer housing.A height-adjustable inner housing is movably arranged in the insertion recess, and adjustment grooves and cooling grooves are formed successively from top to bottom at both left and right ends of the fixed outer housing.

Description

Technical area The present utility model relates to the technical field of capacitors, in particular a capacitor with a protective housing. State of the art The basic unit of electrical capacitance of a capacitor is the farad (F). A capacitor consists of two closely spaced conductors separated by a non-conductive insulating layer. When a voltage is applied between the two plates of the capacitor, it stores electrical charge. Capacitors perform important functions in circuits, particularly in tuning, bridging, coupling, and filtering. They are used in the tuning circuits of transistor radios and in the coupling and bridging circuits of color televisions. With the rapid development of electronic information technology, the generation cycle of digital electronic products is becoming increasingly shorter. The production and sales of consumer electronics such as flat-screen televisions (LCD and PDP), laptops, and digital cameras are continuously increasing and driving the growth of the capacitor industry.Conventional capacitors have a fixed housing structure that is not suitable for capacitors of different sizes and specifications, thus limiting their universal applicability. Furthermore, the conventional housing offers insufficient protection and is easily damaged by external mechanical forces. In addition, the capacitor's heat dissipation is inadequate; continuous operation at elevated temperatures significantly accelerates the capacitor's aging, resulting in poor practical suitability. Content of the utility model Based on the problems identified in the prior art, the objective of the present utility model is to create a capacitor with a protective housing that is height-adjustable and has an improved protective effect. This eliminates the disadvantages of conventional capacitor housings in terms of non-adjustable height, inadequate protection, and insufficient heat dissipation. To achieve the aforementioned objective, the present utility model provides the following technical solution: A capacitor with a protective housing comprises a capacitor body. Symmetrically arranged terminals are fixedly attached to the upper end of the capacitor body, on the left and right sides. A fixed outer housing is movably attached to the outside of the lower end of the capacitor body. A graphitic thermal interface material is fixedly attached to the inside of the fixed outer housing. A limiting seat is fixedly attached to the upper end of the inner base of the graphitic thermal interface material. Stepped recesses are formed in the limiting seat. A damping pad is fixedly attached to the lower end of the fixed outer housing. Thermal grease is permanently applied to both the front and rear ends of the fixed outer housing. Cooling fins are fixedly attached outside the thermal grease.A recessed area is formed at the upper end of the fixed outer housing. A height-adjustable inner housing is movably mounted within this recess. Adjustment grooves and cooling grooves are formed sequentially from top to bottom at both the left and right ends of the fixed outer housing. Preferably, the adjustment grooves and the insertion recess are continuous. A cover is movably attached to the upper end of the height-adjustable inner housing. Ring-shaped and evenly spaced springs are fixed to the lower end of the cover. The lower ends of the springs rest against the upper end of the capacitor body. Preferably, symmetrical through-holes are formed in the cover on the left and right. The connecting pins extend upwards through these through-holes. The cover and the height-adjustable inner housing are connected to each other by screws. Dust protection nets are preferably permanently attached in the cooling grooves. Preferably, a threaded rod is firmly attached to the outside of the height-adjustable inner housing, the threaded rod passing through the adjustment grooves and being screwed to the outside with locking nuts. Preferably, several stepped depressions are provided, with the diameter of the stepped depressions decreasing from top to bottom. Preferably, the height of the cooling plates is more than half the height of the fixed outer casing, and the arc length of the cooling plates exceeds one quarter of the circumference of the fixed outer casing. Compared to the prior art, the present utility model offers the following advantages: 1. The arrangement of the capacitor body, the connecting pins, the fixed outer casing, the graphite thermal interface material, the limiting seat, the stepped recesses, the damping pad, the thermal grease, the cooling plates, the insertion recess, the height-adjustable inner casing, the adjustment grooves, and the cooling grooves eliminates the disadvantages of conventional capacitors, namely that their casing structure is fixed, they are not suitable for capacitors of different specifications and thus have limited universal applicability, that the outer casing provides insufficient protection and is easily damaged by external forces, and that the capacitor has insufficient heat dissipation and that prolonged operation at high temperatures accelerates the aging of the capacitor.The capacitor with protective housing features a height-adjustable design and improved protection, thus increasing the practicality of the capacitor's outer casing. 2. The spring arrangement provides a cushioning effect when external forces are applied, reducing the impact force exerted on the capacitor body and ensuring its integrity. 3. The screw arrangement ensures a secure connection between the cover and the height-adjustable inner casing, and also facilitates the removal of both. 4. The combined use of cooling grooves and dust protection meshes ensures unimpeded heat dissipation, prevents external dust from entering the solid outer casing, and improves internal cleanliness. 5.The combined use of the threaded rod and locking nuts allows for adjusting the height of the height-adjustable inner housing and ensures that it maintains its current position. 6. The multiple stepped recesses with varying diameters easily accommodate capacitor bodies of different specifications, increasing the stability of the capacitor body and further improving its universal applicability. 7. The arrangement of the cooling fins provides a sufficiently large heat dissipation area, thus improving heat dissipation within the rigid outer housing. Description of the attached drawings Fig. 1 is a perspective structural view of the present utility model; Fig. 2 is a front view of the structure of the present utility model; Fig. 3 is a top view of the structure of the present utility model; Fig. 4 is an enlarged structural view of area A in Fig. 1. Reference numeral list: 1-Capacitor body; 2-Terminal pin; 3-Solid outer casing; 4-Graphite thermal interface material; 5-Limiting seat; 6-Step recess; 7-Damping pad; 8-Thermal grease; 9-Cooling plate; 10-Inset recess; 11-Height-adjustable inner casing; 12-Adjusting groove; 13-Cooling groove; 14-Cover; 15-Spring; 16-Through hole; 17-Screw; 18-Dust protection mesh; 19-Threaded rod; 20-Locking nut. Examples of implementation The technical solutions of the embodiments of this utility model are described clearly and completely below with reference to the accompanying drawings. The described embodiments represent only a subset of the embodiments of this utility model, not all of them. Based on the embodiments of this utility model, all further embodiments that a person skilled in the art in the field can derive without inventive step fall within the scope of protection of this utility model. With reference to Figures 1, 2, 3 to 4, a capacitor with a protective housing provided by the present utility model comprises a capacitor body 1. Symmetrically arranged terminal pins 2 are fixedly connected to the upper end of the capacitor body 1 on the left and right. A fixed outer housing 3 is movably connected to the outside of the lower end of the capacitor body 1. A graphitic thermal interface material 4 is fixedly attached to the inside of the fixed outer housing 3. A limiting seat 5 is fixedly attached to the upper end of the inner base of the graphitic thermal interface material 4. Stepped recesses 6 are formed in the limiting seat 5. A damping pad 7 is fixedly connected to the lower end of the fixed outer housing 3. Thermally conductive grease 8 is firmly applied to both the front and rear ends of the fixed outer housing 3. Cooling fins 9 are fixedly connected outside the thermally conductive grease 8.A recess 10 is formed at the upper end of the fixed outer housing 3. A height-adjustable inner housing 11 is movably arranged in the recess 10. Adjustment grooves 12 and cooling grooves 13 are formed successively from top to bottom at both left and right ends of the fixed outer housing 3. Referring to Fig. 2, the adjustment grooves 12 and the insertion recess 10 are continuous. A cover 14 is movably connected to the upper end of the height-adjustable inner housing 11. Ring-shaped and evenly spaced springs 15 are fixed to the lower end of the cover 14. The lower ends of the springs 15 rest against the upper end of the capacitor body 1. As a technical optimization design of the present utility model, a buffering effect is achieved by the arrangement of the springs 15 when external forces are applied, reducing the impact force exerted on the capacitor body 1 and ensuring the integrity of the capacitor body 1. Referring to Fig. 1, symmetrical through-holes 16 are formed in the cover 14 on the left and right. The connecting pins 2 extend upwards through the through-holes 16. The cover 14 and the height-adjustable inner housing 11 are connected to each other by means of screws 17. As a technical optimization of the present utility model, the strength of the connection between the cover 14 and the height-adjustable inner housing 11 is ensured by the arrangement of the screws 17; this also facilitates the disassembly of the cover 14 and the height-adjustable inner housing 11. Referring to Fig. 1, dust protection nets 18 are firmly attached in the cooling grooves 13. As a technical optimization design of the present utility model, the heat dissipation is not impaired by the combined use of the cooling grooves 13 and the dust protection nets 18, while at the same time the ingress of external dust into the interior of the solid outer casing 3 is prevented and the cleanliness inside the solid outer casing 3 is improved. Referring to Fig. 4, a threaded rod 19 is fixedly attached to the outside of the height-adjustable inner housing 11, the threaded rod 19 passing through the adjustment grooves 12 and being screwed to the outside with locking nuts 20. As a technical optimization design of the present utility model, the height of the height-adjustable inner housing 11 is adjusted by the combined use of the threaded rod 19 and the locking nuts 20, and it is also ensured that the height-adjustable inner housing 11 retains its current position. Referring to Fig. 2, several step recesses 6 are provided, the diameter of the step recesses 6 decreasing from top to bottom. As a technical optimization of the present utility model, a limitation for capacitor bodies 1 of different specifications can be easily implemented by designing the several step recesses 6 with different diameters, increasing the stability of the capacitor body 1 and further improving its universal applicability. Referring to Fig. 3, the height of the cooling plates 9 is more than half the height of the fixed outer casing 3, and the arc length of the cooling plates 9 exceeds one quarter of the circumference of the fixed outer casing 3. As a technical optimization feature of the present utility model, a sufficiently large heat dissipation area is available through the arrangement of the cooling plates 9, which improves the heat dissipation effect inside the solid outer casing 3. Operating principle and application procedure of the present utility model: During use, the capacitor body 1 is inserted into the fixed outer housing 3, whereby the capacitor body 1 is positively connected to the corresponding stepped recesses 6 in the limiting seat 5. The locking nuts 20 are then loosened and the height-adjustable inner housing 11 is pulled upwards, whereby the height-adjustable inner housing 11 moves upwards within the insertion recess 10 and the threaded rod 19 moves simultaneously within the adjustment grooves 12. After reaching a suitable height, the process is stopped and the locking nuts 20 are tightened. The through holes 16 in the cover 14 are then aligned with the connecting pins 2, the cover 14 is removed, and the cover 14 and the height-adjustable inner housing 11 are firmly connected by means of the screws 17, with the lower end of the cover 14 resting against the springs 15.During operation of the capacitor body 1, the graphitic thermal interface material 4 transfers heat to the outside; in conjunction with the thermally conductive grease 8 and the cooling fins 9, the heat is rapidly dissipated to the outside. Simultaneously, heat is dissipated via the cooling grooves 13, while the dust protection meshes 18 prevent dust from entering the interior of the solid outer housing 3. The damping pad 7 provides a damping effect.In summary, it follows from the above that the present capacitor with protective housing is equipped with the capacitor body 1, the connection pins 2, the fixed outer housing 3, the graphitic thermal interface material 4, the limiting seat 5, the stepped recesses 6, the damping pad 7, the thermal grease 8, the cooling plates 9, the insertion recess 10, the height-adjustable inner housing 11, the adjustment grooves 12 and the cooling grooves 13, and thereby eliminates the disadvantages of conventional capacitors, namely that their housing structure is fixed, they are not suitable for capacitors of different specifications and have low universal applicability, that the outer housing has an insufficient protective effect and is easily damaged by external forces, and that the capacitor has insufficient heat dissipation and prolonged operation at high temperatures accelerates the aging of the capacitor. It should be noted that in this text, relational terms such as "first," "second," and the like serve only to distinguish one element or process from another, without implying or presupposing any actual relationship or sequence between these elements or processes. Furthermore, the terms "comprise," "contain," and their variants are intended to cover a non-exclusive scope, such that a process, procedure, object, or device comprising a series of features includes not only these features but also other features not explicitly listed or features inherent in the respective process, procedure, object, or device. Although the embodiments of the present utility model have been presented and described, it is understandable to a person skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of protection of the present utility model is defined by the attached claims and their equivalents.

Claims

A capacitor with a protective housing, comprising a capacitor body, characterized in that symmetrically arranged connecting pins are fixedly connected to the upper end of the capacitor body on the left and right, a fixed outer housing is movably connected to the outside of the lower end of the capacitor body, a graphitic thermal interface material is fixedly attached to the inside of the fixed outer housing, a limiting seat is fixedly attached to the upper end of the inner base of the graphitic thermal interface material, in which step recesses are formed, a damping pad is fixedly connected to the lower end of the fixed outer housing, thermal grease is firmly applied to both front and rear ends of the fixed outer housing, cooling fins are fixedly connected outside the thermal grease, and an insert recess is formed at the upper end of the fixed outer housing.A height-adjustable inner housing is movably arranged in the insertion recess, and adjustment grooves and cooling grooves are formed successively from top to bottom at both left and right ends of the fixed outer housing. The capacitor with protective housing according to claim 1, characterized in that the adjustment grooves and the insertion recess are formed continuously, wherein a cover is movably connected to the upper end of the height-adjustable inner housing, ring-shaped and evenly distributed springs are fixedly attached to the lower end of the cover, and the lower ends of the springs rest against the upper end of the capacitor body. The capacitor with protective housing according to claim 2, characterized in that symmetrical through-holes are formed in the lid on the left and right, wherein the connecting pins extend upwards through the through-holes and the lid and the height-adjustable inner housing are connected to each other by means of screws. The capacitor with protective housing according to claim 1, characterized in that dust protection nets are firmly attached in the cooling grooves. The capacitor with protective housing according to claim 1, characterized in that a threaded rod is firmly attached to the outside of the height-adjustable inner housing, wherein the threaded rod passes through the adjustment grooves and is screwed to the outside with locking nuts. The capacitor with protective housing according to claim 1, characterized in that several step recesses are provided, wherein the diameter of the step recesses decreases from top to bottom. The capacitor with protective housing according to claim 1, characterized in that the height of the cooling plates is more than half the height of the fixed outer housing, wherein the arc length of the cooling plates exceeds one quarter of the circumference of the fixed outer housing.

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