Single-channel and double-channel filter shell
By designing single and dual-channel filter housings and adopting a high-low hollow housing structure, heat dissipation holes, and grounding mechanism, the shortcomings of traditional filter housings in terms of heat dissipation, electromagnetic interference, and wiring are solved, achieving flexible installation, effective heat dissipation, and reliable grounding, thereby improving the stability and maintenance convenience of the equipment.
Patent Information
- Application Number
- CN202520074244.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Traditional filter housings are inadequate in terms of heat dissipation, electromagnetic interference protection, ease of installation, and wiring layout, failing to meet the diverse needs of modern electronic equipment and affecting the performance and reliability of the filters.
Design a single-channel and dual-channel filter housing with an integrated hollow shell structure of varying heights, equipped with heat dissipation holes, grounding mechanism and cable trays, to achieve flexible installation, effective heat dissipation, reliable grounding and convenient wiring.
This improves the applicability and functionality of the filter, ensures stable operation, extends its service life, reduces the risk of failure, and enhances electromagnetic compatibility and maintenance efficiency.
Smart Images

Figure CN223772295U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to filter housings, specifically a single-channel or dual-channel filter housing. Background Technology
[0002] With the rapid development of electronic technology, filters are becoming increasingly widely used and crucial in various electronic devices. As a device capable of filtering and processing signals of specific frequencies, it plays an indispensable role in ensuring the stability, reliability, and signal transmission quality of electronic systems.
[0003] In the past, filter housings typically employed simple structural designs, providing only basic physical protection and failing to meet the diverse and demanding performance requirements of modern electronic devices. Traditional filter housings were often single-cavity structures, unable to flexibly adapt to the installation needs of different types of filters. In particular, for complex filtering tasks requiring the simultaneous processing of multiple frequency signals, the lack of effective single / dual-channel configuration capabilities limited the application range and performance of filters in complex circuits.
[0004] Meanwhile, early filter housings had significant shortcomings in heat dissipation. During operation, electronic devices generate heat from filters. If this heat cannot be dissipated effectively and promptly, it accumulates, causing the temperature of internal components to rise. This negatively impacts electrical performance, such as increased leakage current in capacitors and decreased saturation flux density in inductors, ultimately reducing the filter's filtering efficiency and lifespan. Furthermore, poor heat dissipation can also lead to thermal stress, causing physical damage to components and increasing the risk of equipment failure.
[0005] Traditional filter housings have also failed to give sufficient attention to electromagnetic interference and electrostatic discharge (ESD) protection. The electromagnetic environment in which electronic devices operate is becoming increasingly complex, making filters susceptible to external electromagnetic interference, leading to signal distortion or misinterpretation. Simultaneously, static electricity may also accumulate inside the filter. If not promptly discharged, this accumulation can damage sensitive electronic components, affecting the normal operation of the filter and even threatening the stability of the entire electronic system.
[0006] Furthermore, traditional filter housings also have drawbacks in terms of ease of installation and wiring. Due to an unreasonable internal structural design, the wiring inside the housing is often messy, prone to crossing and tangling. This not only increases the difficulty and complexity of wiring but also increases the probability of electrical faults such as short circuits and open circuits. It also brings great inconvenience to subsequent equipment maintenance and repair work, increasing maintenance costs and time costs. Utility Model Content
[0007] In view of the above situation and to overcome the defects of the prior art, this utility model provides a single or dual-channel filter housing, which effectively solves the problems mentioned in the background art.
[0008] To achieve the above objectives, this utility model provides the following technical solution: a single / dual channel filter housing, comprising a housing disposed at the bottom, the housing being integrally formed from two hollow housings of different heights, and an end cap installed at the top of the housing, and further comprising a partition, a first mounting cavity, a second mounting cavity, a first heat dissipation hole, a second heat dissipation hole, and a grounding mechanism, wherein a partition is fixed in the middle of the housing, the partition dividing the inner cavity of the housing into a first mounting cavity and a second mounting cavity, and a grounding mechanism is installed at the rear end of the housing;
[0009] The grounding mechanism includes brass bolts, an outer metal plate, an inner metal plate, wiring bolts, and mounting holes. The outer metal plate and the inner metal plate are respectively installed on the inner and outer sides of the rear end of the housing through a pair of brass bolts. Several wiring bolts are screwed onto both the outer metal plate and the inner metal plate.
[0010] Preferably, the end cap has a plurality of first heat dissipation holes at the position corresponding to the first mounting cavity, and the end cap has a plurality of second heat dissipation holes at the position corresponding to the second mounting cavity.
[0011] Preferably, mounting holes are provided at the positions of the brass bolts on the housing, outer metal plate, and inner metal plate.
[0012] Preferably, the partition plate has a wire groove.
[0013] Preferably, bolt holes are provided at the positions of the wiring bolts on the outer metal plate and the inner metal plate.
[0014] Preferably, the end of the wiring bolt is mushroom-shaped, and the inner surface of the mushroom shape is provided with anti-slip grooves.
[0015] Beneficial effects: Flexible mounting cavity design: The housing is integrally formed from two hollow shells of different heights. The partition in the middle divides the inner cavity into a first mounting cavity and a second mounting cavity. This design allows the filter to be configured with single-channel or dual-channel functionality as needed, meeting diverse usage requirements. Users can flexibly choose to install components in different cavities to achieve independent signal processing or collaborative operation, improving the applicability and functionality of the filter.
[0016] High-efficiency heat dissipation performance: The first and second heat dissipation holes opened at the two mounting cavity positions on the end cover can effectively promote air circulation, dissipate the heat generated by the filter in a timely manner, prevent the components from degrading or malfunctioning due to overheating, ensure the long-term stable operation of the filter, extend its service life, help maintain the performance stability and reliability of the filter, and reduce potential problems caused by overheating.
[0017] Reliable grounding protection:
[0018] The grounding mechanism uses a pair of brass bolts to install an outer metal plate and an inner metal plate on the inner and outer sides of the rear end of the housing, respectively, and is equipped with multiple wiring bolts to form a stable grounding path. This effectively eliminates the potential hazards of static electricity accumulation and electromagnetic interference to the filter, improves the electromagnetic compatibility and operational reliability of the equipment, ensures the filter operates stably in complex electromagnetic environments, and reduces the impact of interference on signal transmission and processing.
[0019] The mushroom-shaped design and internal anti-slip grooves at the end of the wiring bolts make the grounding wire connection more secure and less prone to loosening or falling off. Even when the equipment vibrates or is pulled by external forces, it can maintain a stable grounding connection, further enhancing the reliability of grounding protection, ensuring the safety of equipment and operators, and reducing the safety risks caused by poor grounding.
[0020] Easy installation and wiring:
[0021] The mounting holes on the housing, outer metal plate, and inner metal plate, corresponding to the brass bolt positions, ensure precise fit and secure connection of each component during assembly. This facilitates filter installation and maintenance, improves work efficiency, reduces installation time and labor costs, and makes operation more convenient and efficient.
[0022] The cable trays on the partition facilitate the internal wiring of the filter, making the wiring neat and orderly, avoiding problems such as short circuits and open circuits caused by messy wiring, facilitating future maintenance and troubleshooting, improving the maintainability of the equipment, reducing maintenance difficulty and cost, and reducing downtime caused by wiring problems. Attached Figure Description
[0023] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0024] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;
[0025] Figure 2 This is a schematic diagram of the internal structure of the casing of this utility model;
[0026] Figure 3 This is a three-dimensional structural diagram of the end cap of this utility model;
[0027] Figure 4 This is a three-dimensional structural diagram of the outer metal plate of this utility model;
[0028] The following are the labels in the diagram: 1. Housing; 2. End cap; 3. Partition; 4. First mounting cavity; 5. Second mounting cavity; 6. First heat dissipation hole; 7. Second heat dissipation hole; 8. Grounding mechanism; 9. Brass bolt; 10. Outer metal plate; 11. Inner metal plate; 12. Wiring bolt; 13. Mounting hole. Detailed Implementation
[0029] The following is in conjunction with the appendix Figure 1-4 The specific embodiments of this utility model will be described in further detail.
[0030] Implementation examples, by Figure 1-4 The present invention provides a single- or dual-channel filter housing. The housing 1 adopts an innovative one-piece molding structure, consisting of two hollow parts of different heights. This design not only gives the housing a unique appearance, but more importantly, it provides a variety of choices for the layout of internal components, which can meet the installation requirements of filters of different specifications. At the same time, it enhances the overall strength and stability of the housing and effectively resists possible external physical impacts and pressures.
[0031] High-efficiency heat dissipation system
[0032] The end cap 2 has several first heat dissipation holes 6 and second heat dissipation holes 7 respectively at the positions corresponding to the first mounting cavity 4 and the second mounting cavity 5. These heat dissipation holes are precisely calculated and laid out to maximize air circulation, dissipate the heat generated during the operation of the filter in a timely manner, effectively prevent the performance degradation or failure of components due to overheating, ensure the long-term stable operation of the filter, and extend its service life.
[0033] Reliable grounding mechanism
[0034] The grounding mechanism 8 is a key guarantee for the safety performance of this product. A pair of brass bolts 9 securely mount the outer metal plate 10 and inner metal plate 11 to the inner and outer sides of the rear end of the housing 1, respectively, forming a stable grounding path. Both the outer metal plate 10 and the inner metal plate 11 are equipped with several wiring bolts 12, facilitating user connection of the grounding wire. This ensures a reliable electrical connection between the filter housing and the earth, effectively eliminating the potential hazards of static electricity accumulation and electromagnetic interference to the filter, and improving the electromagnetic compatibility and operational reliability of the equipment.
[0035] The end of the wiring bolt 12 is designed in a mushroom shape, and anti-slip grooves are opened on its inner surface. This unique design makes the grounding wire connection more secure and less prone to loosening or falling off. Even under equipment vibration or slight external force pulling, it can maintain a stable grounding connection, further enhancing the reliability of grounding protection.
[0036] Easy installation and wiring design
[0037] Mounting holes 13 are precisely provided at the positions of brass bolts 9 on the housing 1, outer metal plate 10 and inner metal plate 11 to ensure precise fit and firm connection of each component during assembly, making it convenient for users to install and maintain the filter and improve work efficiency.
[0038] The wire routing grooves on the partition 3 facilitate the wiring of the internal circuitry of the filter, allowing the circuitry to be neatly and orderly distributed within the housing. This avoids problems such as short circuits and open circuits caused by messy wiring, and also facilitates future maintenance and troubleshooting, thus improving the maintainability of the equipment.
[0039] Pre-installation preparation
[0040] Before installing the filter, first check whether all parts of the housing are complete and whether there is any damage, deformation or missing parts, especially the brass bolts of the grounding mechanism, the wiring bolts and the heat dissipation holes, to ensure their integrity and normal function.
[0041] Based on the specific model and design requirements of the filter, determine its installation method in the first mounting cavity 4 or the second mounting cavity 5, and prepare the corresponding installation tools and grounding wire.
[0042] Filter installation
[0043] Carefully place the filter element into the selected mounting cavity, ensuring its installation position is accurate, and use appropriate fixing devices such as screws and clips to firmly fix the filter in the housing to prevent it from shifting or loosening during use.
[0044] During installation, ensure that the filter terminals are aligned with the wiring channels on partition 3 to facilitate subsequent wiring connections and cabling.
[0045] Line connection and wiring
[0046] According to the electrical connection requirements of the filter, the input and output lines are properly routed through the cable trays to ensure that the lines are connected correctly and securely, and to avoid problems such as crossing, tangling or short circuits.
[0047] When connecting the grounding wire, first fix one end of the grounding wire to the grounding terminal of the equipment, and then connect the other end to the wiring bolts 12 on the outer metal plate 10 and the inner metal plate 11 respectively. Use a wrench or other tools to tighten the wiring bolts to ensure that the grounding connection is reliable and the grounding resistance meets the relevant standard requirements.
[0048] End cap installation
[0049] After the filter components are installed and the wiring is connected, align the end cap 2 with the top opening of the housing 1, slowly lower it and ensure that its installation position is accurate, so that the first heat dissipation hole 6 and the second heat dissipation hole 7 are completely aligned with the first mounting cavity 4 and the second mounting cavity 5 respectively, so as to ensure that the heat dissipation effect is not affected.
[0050] Securely install the end cap 2 onto the housing 1 using appropriate fixing methods such as screws to complete the entire filter housing installation process.
[0051] Flexible mounting cavity design: The housing is integrally formed from two hollow shells of different heights. The partition in the middle divides the inner cavity into a first mounting cavity and a second mounting cavity. This design allows the filter to be configured with single-channel or dual-channel functionality as needed, meeting diverse usage requirements. Users can flexibly choose to install components in different cavities to achieve independent signal processing or collaborative operation, improving the applicability and functionality of the filter.
[0052] High-efficiency heat dissipation performance: The first and second heat dissipation holes opened at the two mounting cavity positions on the end cover can effectively promote air circulation, dissipate the heat generated by the filter in a timely manner, prevent the components from degrading or malfunctioning due to overheating, ensure the long-term stable operation of the filter, extend its service life, help maintain the performance stability and reliability of the filter, and reduce potential problems caused by overheating.
[0053] Reliable grounding protection:
[0054] The grounding mechanism uses a pair of brass bolts to install an outer metal plate and an inner metal plate on the inner and outer sides of the rear end of the housing, respectively, and is equipped with multiple wiring bolts to form a stable grounding path. This effectively eliminates the potential hazards of static electricity accumulation and electromagnetic interference to the filter, improves the electromagnetic compatibility and operational reliability of the equipment, ensures the filter operates stably in complex electromagnetic environments, and reduces the impact of interference on signal transmission and processing.
[0055] The mushroom-shaped design and internal anti-slip grooves at the end of the wiring bolts make the grounding wire connection more secure and less prone to loosening or falling off. Even when the equipment vibrates or is pulled by external forces, it can maintain a stable grounding connection, further enhancing the reliability of grounding protection, ensuring the safety of equipment and operators, and reducing the safety risks caused by poor grounding.
[0056] Easy installation and wiring:
[0057] The mounting holes on the housing, outer metal plate, and inner metal plate, corresponding to the brass bolt positions, ensure precise fit and secure connection of each component during assembly. This facilitates filter installation and maintenance, improves work efficiency, reduces installation time and labor costs, and makes operation more convenient and efficient.
[0058] The cable trays on the partition facilitate the internal wiring of the filter, making the wiring neat and orderly, avoiding problems such as short circuits and open circuits caused by messy wiring, facilitating future maintenance and troubleshooting, improving the maintainability of the equipment, reducing maintenance difficulty and cost, and reducing downtime caused by wiring problems.
[0059] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A single-dual channel filter housing, comprising a bottom arranged housing (1), the housing (1) is integrally formed by two hollow housings with different heights, and an end cover (2) installed at the top end of the housing (1), characterized in that: Also include the partition (3), the first installation cavity (4), the second installation cavity (5), the first heat dissipation hole (6), the second heat dissipation hole (7) and the grounding mechanism (8), the middle part of the shell (1) is fixed with the partition (3), the partition (3) divides the shell (1) inner cavity into the first installation cavity (4) and the second installation cavity (5), the rear end of the shell (1) is installed with the grounding mechanism (8); The grounding mechanism (8) includes brass bolt (9), outer metal plate (10), inner metal plate (11), wiring bolt (12) and mounting hole (13), the inner and outer sides of the rear end of the shell (1) are installed with outer metal plate (10) and inner metal plate (11) respectively through a pair of brass bolt (9), a plurality of wiring bolt (12) are screwed on the outer metal plate (10) and the inner metal plate (11).
2. A single / dual channel filter housing according to claim 1, characterized in that: The end cover (2) is provided with a plurality of first heat dissipation holes (6) at the position corresponding to the first installation cavity (4), and a plurality of second heat dissipation holes (7) are provided at the position corresponding to the second installation cavity (5).
3. A single / dual channel filter housing according to claim 2, characterized in that: The shell (1), the outer metal plate (10) and the inner metal plate (11) are provided with mounting holes (13) at the positions corresponding to the brass bolt (9).
4. A single / dual channel filter housing according to claim 3, characterized in that: The partition (3) is provided with a wire slot.
5. A single / dual channel filter housing according to claim 4, characterized in that: The outer metal plate (10) and the inner metal plate (11) are provided with bolt holes at the positions corresponding to the wiring bolt (12).
6. A single / dual channel filter housing according to claim 5, characterized in that: The end of the wiring bolt (12) is mushroom-shaped, and the inner surface of the mushroom is provided with an anti-skid groove.