Shell of anti-harmonic intelligent capacitor
By using a one-piece molded housing and a concealed connection structure, the aesthetic and stability issues of the anti-harmonic intelligent capacitor shell are solved, improving the safety and service life of the equipment while reducing maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2026-03-24
AI Technical Summary
The bolts on the existing anti-harmonic smart capacitor casing are exposed, resulting in poor aesthetics, unstable connections, safety hazards, and affecting equipment operation and lifespan.
The enclosure features a one-piece molded structure, combined with concealed connecting blocks and fitting bosses. The bottom plate and side plates are fitted together by bolts, and welding enhances stability. Ventilation vents are also provided on the plates to ensure heat dissipation.
It improves the aesthetics and connection stability of the casing, reduces the risk of oxidation and corrosion, enhances safety, extends equipment life, and reduces maintenance costs.
Smart Images

Figure CN224036232U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to intelligent capacitor technical field, concretely relates to a shell of anti harmonic intelligent capacitor. BACKGROUND
[0002] With the rapid development of power electronic technology, the harmonic problem in the power system is increasingly prominent, and the anti harmonic intelligent capacitor is widely used as the key equipment for improving power quality and improving the stability of the power system. In the design of the anti harmonic intelligent capacitor, the shell not only protects the internal electronic components from physical damage, dust and moisture, but also directly affects the installation, maintenance and overall aesthetics of the equipment.
[0003] At present, the common anti harmonic intelligent capacitor shell on the market adopts the traditional splicing mode, and the bolts for connection are usually exposed on the outer surface during the assembly of the shell parts. This structure has many problems: on the one hand, the exposed bolts destroy the overall aesthetics of the shell, affecting the visual effect of the equipment in various power engineering scenes; on the other hand, the bolts exposed to the external environment for a long time are prone to oxidation and corrosion, resulting in loose connection, reducing the stability of the shell structure, and further affecting the normal operation and service life of the internal components of the anti harmonic intelligent capacitor; in addition, the exposed bolts may cause accidental injury such as scratches to the operators during equipment installation and maintenance, which has certain safety hazards.
[0004] Therefore, how to design an anti harmonic intelligent capacitor shell that can ensure the stability and functionality of the structure, hide the connecting bolts and improve the overall aesthetics has become a technical problem to be solved by the technical personnel in the field. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies in the background art, the utility model provides a shell of anti harmonic intelligent capacitor.
[0006] The technical scheme adopted by the utility model is: a shell of anti harmonic intelligent capacitor, comprising:
[0007] The box body comprises a front plate, a rear plate, a top plate and a right plate, and the front plate, the rear plate, the top plate and the right plate are integrally formed, and the left side and the bottom of the box body are respectively provided with a left opening and a bottom opening, the inner walls of the front plate and the rear plate of the left opening are provided with connecting blocks at intervals, and the connecting blocks are provided with fixed holes one;
[0008] The bottom plate is spliced and clamped into the bottom opening, the inner side of the bottom plate is provided with an annular convex step, the left and right ends of the annular convex step are provided with embedded notches, and the embedded notches are provided with fixed holes two;
[0009] The side plate is spliced into the left opening, and connecting screw blocks are arranged on the inner sides of the side plate, and screw holes one corresponding to the fixing holes are arranged on the connecting screw blocks, and the inner bottom sides of the side plate and the inner bottom sides of the right plate are provided with embedding bosses embedded with each other with the embedding notches, and screw holes two corresponding to the fixing holes two are arranged on the embedding bosses.
[0010] Further, the front plate, the rear plate, the right plate and the side plate are all provided with heat dissipation openings.
[0011] Further, the front plate, the rear plate, the right plate and the side plate are all provided with heat dissipation openings.
[0012] Further, the front plate, the rear plate, the right plate and the side plate are all provided with heat dissipation openings.
[0013] Further, the front plate, the rear plate, the right plate and the side plate are all provided with heat dissipation openings.
[0014] Further, the front plate, the rear plate, the right plate and the side plate are all provided with heat dissipation openings.
[0015] The utility model discloses the beneficial effect is:
[0016] Improve the appearance: through the bolt hiding in the inner wall between the bottom plate and the side plate and the box, discard the defect of traditional shell bolt external leakage, make the whole appearance of shell more simple and smooth, can better adapt to various electric power engineering scenes, improve the visual effect and product grade of equipment, satisfy the demand of user to the appearance of equipment.
[0017] Improve the connection stability: the bolt hides in the inner wall, avoids its direct exposure in the external environment, reduces the oxidation, the corrosion risk, reduces the possibility of connection site loosening, guarantees the long-term stability of shell structure, reduces the equipment maintenance cost and replacement frequency.
[0018] Improve the safety: because there is no bolt external leakage, in the equipment installation, maintenance process, can effectively avoid the accidental injury of operator being scratched by bolt, improves the safety of operation, provides more reliable work guarantee for electric power engineering personnel.
[0019] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages.
[0020] The utility model will be described further in detail below with reference to the drawings. DRAWINGS
[0021] Fig. 1 It is the structural schematic diagram of the utility model.
[0022] Fig. 2The utility model discloses an explosion schematic diagram.
[0023] Fig. 3 It is the structural schematic diagram of box.
[0024] Figs. 1-3 Middle: 1, front plate, 2, back plate, 3, top plate, 4, right plate, 5, left opening, 6, bottom opening, 7, connecting block, 8, fixed hole one, 9, bottom plate, 10, annular boss step, 11, fitting gap, 12, fixed hole two, 13, side plate, 14, connecting screw block, 15, screw hole one, 16, fitting boss, 17, screw hole two, 18, heat dissipation opening, 19, fixed plate, 20, fixed long groove, 21, gap, 22, sealing plate gap. Specific embodiments
[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0026] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.
[0027] The utility model provides a kind of shell of anti-harmonic wave intelligent capacitor.
[0028] In the embodiment, with reference to Figs. 1-3 The shell of anti-harmonic wave intelligent capacitor includes:
[0029] Box 1=, the box includes front plate 1, back plate 2, top plate 3 and right plate 4, the front plate, back plate, top plate and right plate are integrally formed structure, and the left side and bottom of box are respectively provided with left opening 5 and bottom opening 6, the front plate and back plate inner wall of left opening 5 are provided with connecting block 7 at interval, and the connecting block 7 is provided with fixed hole one 8;
[0030] Bottom plate 9, the bottom plate 9 is spliced and clamped into bottom opening, and the inner side middle part of bottom plate 9 is provided with annular boss step 10, the left and right ends of annular boss step 10 are provided with fitting gap 11, and the inside of fitting gap 11 is provided with fixed hole two 12;
[0031] The side plate 13 is spliced and clamped into the left opening, and the inner sides of the left and right sides of the side plate 13 are provided with connecting screw blocks 14, the connecting screw blocks 14 are provided with screw holes 15 corresponding to the fixing holes, the inner sides of the bottom of the side plate and the bottom of the right plate are provided with fitting bosses 16 fitting with the fitting notches, and the fitting bosses 16 are provided with screw holes 17 corresponding to the fixing holes.
[0032] In the technical scheme, the box body is integrally formed with the front plate, the rear plate, the top plate and the right plate, so that the splicing gap is reduced, the overall strength and sealing performance are improved. The left opening and the bottom opening are designed to cooperate with the corresponding connecting structures (connecting blocks, fixing holes, annular boss steps, fitting notches, fixing holes, connecting screw blocks, screw holes, fitting bosses and screw holes) on the bottom plate and the side plate, so that the bottom plate and the side plate are spliced with the box body through bolt connection, and the bolts are hidden in the inner wall. The mutual fitting and threaded fastening between the components ensure the stability of the shell structure.
[0033] The integrally formed structure enhances the strength and sealing performance of the box body, and the left opening and the bottom opening cooperate with the splicable bottom plate and side plate, facilitating the installation and disassembly of internal components. The design of the bolts hidden in the inner wall not only ensures the connection strength, but also improves the overall appearance of the shell. At the same time, it avoids the oxidation and corrosion of the bolts exposed to the external environment, ensures the long-term stability of the connection part, prolongs the service life of the shell, and reduces the equipment maintenance cost.
[0034] Specifically, the front plate, the rear plate, the right plate and the side plate are all provided with heat dissipation openings 18.
[0035] In this embodiment, the arrangement of the heat dissipation openings effectively solves the heat dissipation problem of the capacitor during operation, avoids the accumulation of heat to cause the temperature of the internal components to be too high, prevents the performance of the components from being reduced or even damaged, ensures that the anti-harmonic intelligent capacitor can stably operate in a suitable temperature environment, prolongs the service life of the equipment, and improves the reliability and safety of the equipment operation.
[0036] Specifically, the front and rear sides of the bottom plate are provided with fixed plates 19, and the fixed plates 19 are provided with fixed long grooves 20.
[0037] In this embodiment, the arrangement of the fixed plates and the fixed long grooves provides a convenient and flexible installation method for the capacitor. By adjusting the position of the bolt in the fixed long groove, the installation position and angle of the shell can be accurately adjusted, the installation efficiency is improved, the adaptability of the shell installation is enhanced, and the shell can be widely applied to various power engineering scenes to meet the needs under different installation conditions.
[0038] Specifically, one side of the fixed long groove is provided with a notch 21.
[0039] In this embodiment, the notch facilitates the clamping of the bolt from the side.
[0040] Specifically, the front plate and the rear plate are provided with sealing plate notches 22; the connecting blocks are welded to the front plate and the rear plate, and the connecting screw blocks and the embedded bosses are welded to the side plates.
[0041] In this embodiment, the welding connection mode greatly enhances the strength and stability of the connection part, improves the reliability of the overall structure of the shell. Compared with other connection modes, the welding connection can withstand greater external force and vibration. In the process of anti-harmonic intelligent capacitor operation, it effectively prevents the damage of the shell structure caused by the loosening of the connection part, ensures the safe and stable operation of the internal elements, reduces the equipment failure and maintenance cost caused by the connection problem.
[0042] Skilled persons should know: although the utility model has been described according to the above specific implementation mode, the utility model idea is not limited to this utility model, and any modification using the utility model idea will be included in the patent protection range.
Claims
1. A housing for an anti-harmonic smart capacitor, characterized in that Include: Box, the box includes front plate, back plate, top plate and right plate, the front plate, back plate, top plate and right plate are integrally formed structure, the left side and bottom of the box are provided with left opening and bottom opening respectively, the left opening is provided with connecting block on the inner wall of front plate and back plate, the connecting block is provided with fixed hole one; The bottom plate is spliced and clamped into the bottom opening, the inner side of the bottom plate is provided with an annular convex step, the left and right ends of the annular convex step are provided with a matching notch, the inner side of the matching notch is provided with a fixed hole two; The side plate is spliced and clamped into the left opening, the inner side of the bottom of the side plate and the inner side of the bottom of the right plate are provided with a matching convex platform, the matching convex platform is provided with a fixed hole two corresponding to the fixed hole two.
2. The housing for an anti-harmonic smart capacitor of claim 1, wherein: The front plate, back plate, right plate and side plate are provided with heat dissipation openings.
3. The housing for an anti-harmonic smart capacitor of claim 1, wherein: The front and rear sides of the bottom plate are provided with fixed plates, and the fixed plates are provided with fixed long grooves.
4. The housing for an anti-harmonic smart capacitor of claim 3, wherein: One side of the fixed long groove is provided with a notch.
5. The housing for an anti-harmonic smart capacitor of claim 1, wherein: The front plate and the back plate are provided with an envelope plate notch.
6. The housing for an anti-harmonic smart capacitor of claim 1, wherein: The connecting block is welded between the front plate and the back plate, and the connecting screw block and the matching convex platform are welded between the side plate.