An EMC (electromagnetic compatibility) laboratory anti-interference filter assembly
By designing heat dissipation mechanisms and filter components inside the protective housing and mounting base, the problem of poor heat dissipation at the bottom caused by the fan position is solved, achieving better air circulation and heat dissipation effect, facilitating regular maintenance, and improving the overall heat dissipation performance of the anti-interference filter.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING ZHONG CHUANG HU LIAN TECH CO LTD
- Filing Date
- 2025-07-03
- Publication Date
- 2026-06-23
AI Technical Summary
In existing anti-interference filters, the fan is located at the top, causing the electronic components of the filter assembly to accumulate at the bottom, resulting in poor heat dissipation at the bottom and heat buildup, which affects the overall heat dissipation effect.
The design incorporates a heat dissipation mechanism within the protective casing and mounting base, including a bottom shell, filter, loading plate, through holes, fixing plate, and cooling fan. Gas enters from below and flows through the through holes, with ABS miniature one-way valves controlling the gas flow to ensure smooth air circulation. Simultaneously, a combination of partitions, silicone fillers, fine metal mesh, sliding plates, and scrapers enables convenient disassembly and regular cleaning, preventing blockages.
It improves the heat dissipation effect of the filter, avoids heat accumulation, ensures air flow, facilitates regular maintenance, prevents filter clogging, and maintains long-term heat dissipation efficiency.
Smart Images
Figure CN224401498U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of anti-interference filter components, specifically an anti-interference filter component for an electromagnetic compatibility laboratory. Background Technology
[0002] A filter is a device or circuit used in signal processing or systems engineering. Its core function is to selectively allow or block signals of specific frequency components from passing through, thereby achieving signal filtering, purification, or frequency adjustment. It is widely used in many fields such as electronics, communications, power, and machinery, and comes in a wide variety of types.
[0003] An existing patent (publication number: CN217546006U) discloses an anti-interference filter assembly for an electromagnetic compatibility laboratory. This utility model sets up a heat dissipation mechanism, which uses a micro motor to drive a fan to rotate, thereby quickly removing the high temperature inside the filter body, improving heat dissipation efficiency, and preventing high temperature from damaging its internal components. Moreover, a filter screen is installed on the upper side wall of the heat dissipation shell near the fan by fixing screws, and a one-way valve gasket is embedded inside the second heat dissipation hole, which can effectively prevent external dust from entering the interior of the filter body.
[0004] In the field of anti-interference filter components, although existing technologies can achieve heat dissipation through the cooperation of components such as micro motors, in actual use, the fan is located at the top, while the electronic components of the filter are all piled up at the bottom, which makes it impossible for the bottom to dissipate heat sufficiently. This may result in heat accumulation and poor heat dissipation of the entire filter. Utility Model Content
[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.
[0006] Given that the existing fan is positioned at the top in the above-mentioned or prior art, and the electronic components of the filter assembly are all piled up at the bottom, the bottom cannot dissipate heat sufficiently, which may lead to heat accumulation and poor heat dissipation of the entire filter.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] An anti-interference filter assembly for an electromagnetic compatibility laboratory, characterized in that it comprises:
[0009] A protective shell, wherein a mounting base is fixedly installed on the top of the protective shell, and mounting plates are fixedly installed on both sides of the outer wall of the mounting base. Fasteners protrude from the inside of the mounting plates, and a heat dissipation mechanism is provided below the mounting base.
[0010] The heat dissipation mechanism includes a bottom shell, which is fixedly installed at the bottom of the mounting base. A filter screen is embedded in the outer wall of the bottom shell. A loading plate is fixedly installed inside the mounting base, and the loading plate has through holes inside.
[0011] As a further improvement of this utility model: a fixing plate is fixedly installed inside the bottom shell, and a cooling fan is embedded inside the fixing plate.
[0012] As a further improvement of this utility model: a connecting shell is fixedly installed at the top of the protective shell, and an ABS miniature one-way valve is embedded at the top of the connecting shell.
[0013] As a further improvement of this utility model: the front end of the mounting base has a pull-out shell, and the interior of the pull-out shell is equipped with a filter mechanism.
[0014] As a further embodiment of this utility model: the filtering mechanism includes a partition plate, which is fixedly installed inside the pull-out shell, and the inner wall of the partition plate is provided with an installation groove.
[0015] As a further improvement of this utility model: the interior of the mounting groove is filled with a silicone filler layer, and a fine metal mesh is embedded on one side of the mounting groove inside the partition.
[0016] As a further embodiment of this utility model: a sliding plate is slidably connected to the outer wall of the bottom shell, and a locking block is fixedly installed at one end of the sliding plate that penetrates into the bottom shell.
[0017] As a further improvement of this utility model: a connecting plate is fixedly installed at the bottom end of the locking block, and a scraper is embedded in the outer wall of the connecting plate.
[0018] Compared with the prior art, the beneficial effects of this utility model are:
[0019] 1. This utility model, through the design of the bottom shell, filter screen, loading plate, through hole, fixing plate and heat dissipation fan, realizes that the electronic components of the filter are located in the middle position inside the protective shell and mounting base, avoiding excessive heat concentration at the bottom, and allowing gas to enter the protective shell and mounting base from below after filtration, and allowing gas to circulate through the through hole, improving the comprehensiveness of gas circulation, avoiding the situation where heat cannot be dissipated, and improving the heat dissipation effect of the entire filter.
[0020] 2. This utility model, through the design of partition, silicone filler, metal mesh, sliding plate, connecting plate and scraper, can be easily disassembled and assembled during regular maintenance. The silicone filler can be regenerated by heating and reused to avoid waste. At the same time, it can easily and quickly clean the filter screen to avoid clogging that would affect gas flow and thus heat dissipation. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the overall structure of an anti-interference filter assembly for an electromagnetic compatibility laboratory.
[0022] Figure 2 This is a schematic diagram of the internal structure of the mounting base for an anti-interference filter assembly in an electromagnetic compatibility laboratory.
[0023] Figure 3 This is a schematic diagram of the mounting plate structure for an anti-interference filter assembly in an electromagnetic compatibility laboratory.
[0024] Figure 4 This is a schematic diagram of the mounting slot structure for an anti-interference filter assembly in an electromagnetic compatibility laboratory.
[0025] Figure 5 This is a schematic diagram of the connection board structure of an anti-interference filter assembly for an electromagnetic compatibility laboratory.
[0026] In the diagram: 1. Protective shell; 2. Mounting base; 3. Mounting plate; 4. Fastener; 5. Heat dissipation mechanism; 501. Bottom shell; 502. Filter screen; 503. Loading plate; 504. Through hole; 505. Fixing plate; 506. Cooling fan; 507. Connecting shell; 508. ABS miniature one-way valve; 6. Pull-out shell; 7. Filtering mechanism; 701. Partition plate; 702. Mounting groove; 703. Silicone filler layer; 704. Fine metal mesh; 705. Sliding plate; 706. Locking block; 707. Connecting plate; 708. Scraper. Detailed Implementation
[0027] To make the above-mentioned objectives, features and advantages of this utility model more readily understood, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0028] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0029] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single embodiment or an embodiment selectively excluded from other embodiments.
[0030] Example 1
[0031] Please see Figures 1 to 3 This is the first embodiment of the present utility model. This embodiment provides an anti-interference filter assembly for an electromagnetic compatibility laboratory, including: a protective shell 1, a mounting base 2 fixedly installed on the top of the protective shell 1, mounting plates 3 fixedly installed on both sides of the outer wall of the mounting base 2, fasteners 4 protruding from the inside of the mounting plates 3, and a heat dissipation mechanism 5 provided below the mounting base 2.
[0032] The heat dissipation mechanism 5 includes a bottom shell 501, which is fixedly installed at the bottom of the mounting base 2. A filter screen 502 is embedded in the outer wall of the bottom shell 501. A loading plate 503 is fixedly installed inside the mounting base 2. A through hole 504 is opened inside the loading plate 503.
[0033] Specifically, a fixing plate 505 is fixedly installed inside the bottom shell 501, and a cooling fan 506 is embedded inside the fixing plate 505.
[0034] Furthermore, by installing a cooling fan 506 at the bottom to allow air to circulate from below, the overall heat dissipation effect is improved, preventing heat from accumulating and failing to dissipate.
[0035] Specifically, a connecting shell 507 is fixedly installed on the top of the protective shell 1, and an ABS miniature one-way valve 508 is embedded in the top of the connecting shell 507.
[0036] Furthermore, several ABS miniature check valves 508 are installed, with the minimum size controllable to 6mm, thereby avoiding the impact of excessively large valve bodies on the installation of the entire filter.
[0037] In use, the protective shell 1, mounting base 2 and loading plate 503 are first fixed together with bolts, and then fixed to the equipment or base layer by mounting plate 3 and fasteners 4. The cooling fan 506 embedded in the fixing plate 505 inside the bottom shell 501 improves the air circulation, allowing the gas to enter the mounting base 2 after being filtered by the filter screen 502, and to flow from the bottom to the top through the through hole 504 to avoid heat accumulation. The gas is discharged through several ABS miniature one-way valves 508 embedded in the connecting shell 507.
[0038] In summary, the electronic components of the filter are fixed in the middle part of the housing formed by the protective shell 1 and the mounting base 2 by the loading plate 503. Several through holes 504 are provided to facilitate the flow of gas driven by the cooling fan 506 from bottom to top, which can improve the overall heat dissipation effect and avoid heat accumulation that would lead to poor overall heat dissipation. Several ABS miniature one-way valves 508 allow gas to flow while minimizing the size of the filter.
[0039] Example 2
[0040] Please see Figure 1 , Figure 4 and Figure 5 This is the second embodiment of the present invention, which provides an improved design for an anti-interference filter component for an electromagnetic compatibility laboratory.
[0041] Specifically, a pull-out shell 6 extends from the front end of the mounting base 2, and a filter mechanism 7 is installed inside the pull-out shell 6.
[0042] Furthermore, the sliding structure formed by the pull-out shell 6 and the mounting base 2 facilitates disassembly and assembly, allowing staff to disassemble and maintain the filter mechanism 7 later.
[0043] Specifically, the filter mechanism 7 includes a baffle 701, which is fixedly installed inside the pull-out shell 6, and the inner wall of the baffle 701 is provided with an installation groove 702.
[0044] Furthermore, after the circulating gas enters the pull-out shell 6, the gas can circulate through the mounting slot 702 opened by the partition 701 and enter the mounting base 2 to blow away the accumulated heat and achieve a heat dissipation effect.
[0045] Specifically, the interior of the mounting groove 702 is filled with a silicone filler layer 703, and a fine metal mesh 704 is embedded on one side of the mounting groove 702 inside the partition 701.
[0046] Furthermore, during gas flow, moisture is adsorbed by the silica gel filling layer 703 to keep the gas dry, and the metal mesh 704 further filters the gas.
[0047] Specifically, a sliding plate 705 is slidably connected to the outer wall of the bottom shell 501, and a locking block 706 is fixedly installed at one end of the sliding plate 705 that penetrates into the bottom shell 501.
[0048] Furthermore, the locking block 706 is slidably connected to the reserved groove of the bottom shell 501, making it convenient for workers to press the sliding plate 705 for stable sliding.
[0049] Specifically, a connecting plate 707 is fixedly installed at the bottom of the locking block 706, and a scraper 708 is embedded in the outer wall of the connecting plate 707.
[0050] Furthermore, the sliding plate 705 is fixed to the connecting plate 707 by the locking block 706. At the same time, both the sliding plate 705 and the connecting plate 707 are fixed with rubber scrapers 708 at the ends facing the filter screen 502, which can be pressed by the staff to clean the dust adsorbed by the filter screen 502, making it convenient for regular maintenance.
[0051] In use, the pull-out shell 6 has two partitions 701 inside, with a fine metal mesh 704 embedded in them. At the same time, a silicone filler layer 703 is embedded in the mounting groove 702. The two partitions 701 are close to each other, and the fine metal mesh 704 and the silicone filler layer 703 are arranged alternately, which can fully filter and absorb moisture when the gas flows. It is connected as a whole by a sliding plate 705, a locking block 706 and a connecting plate 707, which allows the staff to periodically push the sliding plate 705 to drive the scraper 708 to clean the filter screen 502 by adsorbing dust and other substances.
[0052] In summary, the easily detachable pull-out shell 6 allows for periodic disassembly and regeneration of the silicone filler layer 703 through heating and drying. This periodic replacement creates a cyclical system, preventing waste. When replacing the silicone filler layer 703, the sliding plate 705 can be pushed, and the connecting plate 707 can drive the corresponding scraper 708 to clean the filter screen 502, maintaining ventilation and preventing blockages. This facilitates regular maintenance by staff, ensuring effective heat dissipation and moisture absorption.
[0053] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0054] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.
[0055] It should be understood that numerous specific implementation decisions can be made during the development of any actual implementation method, and in any engineering or design project. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.
[0056] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. An anti-interference filter assembly for an electromagnetic compatibility laboratory, characterized in that: include: A protective shell (1) is provided with a mounting base (2) fixedly installed at the top of the protective shell (1), and mounting plates (3) are fixedly installed on both sides of the outer wall of the mounting base (2). Fasteners (4) protrude from the inside of the mounting plates (3), and a heat dissipation mechanism (5) is provided below the mounting base (2). The heat dissipation mechanism (5) includes a bottom shell (501), which is fixedly installed at the bottom end of the mounting base (2). A filter screen (502) is embedded in the outer wall of the bottom shell (501). A loading plate (503) is fixedly installed inside the mounting base (2), and a through hole (504) is opened inside the loading plate (503).
2. The anti-interference filter assembly for an electromagnetic compatibility laboratory according to claim 1, characterized in that: A fixing plate (505) is fixedly installed inside the bottom shell (501), and a cooling fan (506) is embedded inside the fixing plate (505).
3. The anti-interference filter assembly for an electromagnetic compatibility laboratory according to claim 1, characterized in that: The protective shell (1) is fixedly installed with a connecting shell (507) at its top end, and an ABS miniature check valve (508) is embedded in the top end of the connecting shell (507).
4. The anti-interference filter assembly for an electromagnetic compatibility laboratory according to claim 1, characterized in that: The front end of the mounting base (2) has a pull-out shell (6), and the interior of the pull-out shell (6) is provided with a filter mechanism (7).
5. The anti-interference filter assembly for an electromagnetic compatibility laboratory according to claim 4, characterized in that: The filter mechanism (7) includes a partition (701), which is fixedly installed inside the pull-out shell (6), and the inner wall of the partition (701) is provided with an installation groove (702).
6. The anti-interference filter assembly for an electromagnetic compatibility laboratory according to claim 5, characterized in that: The mounting groove (702) is filled with a silicone filler layer (703), and a fine metal mesh (704) is embedded on one side of the mounting groove (702) inside the partition (701).
7. The anti-interference filter assembly for an electromagnetic compatibility laboratory according to claim 1, characterized in that: The outer wall of the bottom shell (501) is slidably connected to a sliding plate (705), and a locking block (706) is fixedly installed at one end of the sliding plate (705) that penetrates into the bottom shell (501).
8. The anti-interference filter assembly for an electromagnetic compatibility laboratory according to claim 7, characterized in that: The bottom end of the locking block (706) is fixedly installed with a connecting plate (707), and the outer wall of the connecting plate (707) is fitted with a scraper (708).